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Solve 3x-20=130 Tiger Algebra Solver

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Equations : Tiger Algebra shows you, step by step, how to solve equations with a positive or negative unknows {3*x-20-(130)=0}

Graphing Linear Equations - Developmental Math Topic Text

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Determine whether an ordered pair is a solution of an equation. ... If you were to keep adding ordered pairs (x, y) where the y-value was twice the .... Evaluate y = 5 – 3x for different values of x, and create a table of corresponding x and y values . ..... x, Time. (hours). y, Distance from House (miles). 0. 20. 1. 75. 2. 130. 3. 185. ...

CHAPTER 13 SOLVING SIMULTANEOUS EQUATIONS

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Solve the simultaneous equations 3x – 2y = 10. 5x + y = 21. 3x – 2y ..... 35. 20. = 1. 3. 4. 8. If 5x –. 3 y. = 1 and x +. 4 y. = 5. 2 find the value of. 1 xy y. +. If 5x –. 3 y.

Chapter 3

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... 11-20. 11. If m∠1=130°and m∠3=24°, find the value of each numbered angle. ... If m∠1=x+30, m∠4=5x-14, and m∠3=3x+20, find the value of x and of each ...

Linear equations - Wiley

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Jul 5, 2014 ... Solving a linear equation means finding a value for the pronumeral that ... 100 − 20. = 80. 2 Substitute 10 for x in the right-hand side. RHS = 9x − 10 ... If two operations have been performed on the pronumeral, it is ... 3 Write the value of x. x = 18 d 1 Multiply both sides by 5. d. 3x. 5 ...... 130 Maths Quest 9.

Final Exam Practice with answers - Valencia College

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20) 9 - 4x ≥ 5. 20). 21) y - 1 ≤ -9. 21). Solve the absolute value equation. 22) |2k + 2| + 4 = 13 ... Find the x- and y-intercepts, and graph the equation. 25) 2x - 6y ...

Use capita

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If AB = 15, what is CD? 7. If AB = 2x – 3 and CD = 3x – 7, find x. ... 2. m ∠CBD = 50, m ∠ABD = 130, m ∠ ABC = ... If AD = 20 and AC = 3x + 4, find the value of x.

Full text of "High school algebra" - Internet Archive

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Complete Squares (130). DifEerence ..... If x=2, find the numerical value of the sum of Sa;^ and 4x^ in two different ways and compare the results. 7. Simplify .... 20. If x=^ and y=s, what are the values of 3x — 2y, 6xy, 2x* — 3y*, 8x»- 272/3 ? 21.

Exterior Angle of a Triangle - Free Math Help

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If the measure of the exterior angle is (3x - 10) degrees, and the measure of the two remote interior angles are 25 degrees and (x + 15) degrees, find x.

Mathematics Explanations: Sections 2 and 4

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2) C) If PQ is twice as long as QR, which is 6 units long, PQ is 12 units long. ... 130. 6) B) The slow way to do this problem is to solve for x using the first equation . ... equations equal to find the value of m for which the cost is the same. .3m + 20 .... 29) 40) Since the three angles of a triangle must add up to 180˚, x + 3x + 20 ...

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How to find the solution for a system of equations - SAT Math

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Free practice questions for SAT Math - How to find the solution for a system of equations. Includes full ... If 7x + y = 25 and 6x + y = 23, what is the value of x? Possible Answers: 20. 11. 7. 2. 6 ... (7x + 3y = 20) + (–4x – 6y = 11) = (3x – 3y = 31).

I have two lines crossing like an X. The left is (3x + 8), t - Algebra

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"Find the value of each variable and the measure of each labeled angle." I have two lines crossing like an X. The left is (3x + 8), the bottom is (5x + 4y), and the right is (5x - 20). And just so ... If I subtracted it, then I would get 8x or 10x = 180 - 4y. ... since those 2 angles are equal, then each one must be equal to 1...

Exterior Angles of a Triangle - Regents Exam Prep Center

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The theorem above states that if <4 is an exterior angle, its measure is equal to the ... interior angles are represented by 4x + 5, and 3x + 20, find the value of x.