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## Systems of Linear Equations: Solving by Addition / Elimination

www.purplemath.com/modules/systlin5.htm

Now I can divide through to solve for x = 5, and then back-solve, using either of the original equations, to find the value of y. The first equation has smaller ...

## Using the Elimination Method - Developmental Math Topic Text

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U14_L2_T2_text_final.html

So if you have a system: x – 6 = −6 and x + y = 8, you can add x + y to the left side of the first equation and add 8 to the right side of the equation. And since x + y ...

## Algebra Calculator - MathPapa

www.mathpapa.com/algebra-calculator.html

Algebra Calculator shows you the step-by-step solutions! Solves algebra ... y=3 ( Evaluate Example) y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example) ...

Jul 18, 2011 ... Linear: Solving for y in terms of x ... Algebra 1: Lesson 1 Linear Equations: Equations with x and y (Simplifying Math) - Duration: 8:30.

## Systems of equations with substitution: y=-1/4x+ ... - Khan Academy

We're given a system of equations here, and we're told to solve for x and y. Now, the easiest thing to do here, since in both equations they're explicitly solved for ...

## Systems of equations with substitution: 2y=x+7 & x=y-4 | Topic D ...

Learn to use substitution to solve the system of equations 2y = x + 7 and x = y - 4.

## Systems of Equations - Solve by substitution - Regents Exam Prep ...

www.regentsprep.org/regents/math/algebra/ae3/algsys.htm

## Advanced Solve Equations :: QuickMath.com - Automatic Math ...

Equations : Solve. Basic | Intermediate | Advanced | Help. Enter an equation or system of equations, enter the variable or variables to be solved ... x^2+y^2=1 y= x.

## The elimination method for solving linear systems (Algebra 1 ...

www.mathplanet.com/education/algebra-1/systems-of-linear-equations-and-inequalities/the-elimination-method-for-solving-linear-systems

We can eliminate the x-variable by addition of the two equations. 3 y + 2 x = 6. + 5 y − 2 x = 10 _. = 8 y = 16. y = 2. The value of y can now be substituted into ...

## Simultaneous linear equations - A complete course in algebra

www.themathpage.com/alg/simultaneous-equations.htm

This means that we must find values of x and y that will solve both equations. We must find two numbers whose sum is 10 and whose difference is 2. The two ...