1. Distribute any variables or terms within parentheses. Calculate 3(x5) for example, to obtain 3x15. 2. Combine like terms, or terms that contain the same variable on one side
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Equations are said to be equivalent if they have the same solution. This definition also holds true in rational equations or equations involving rational expressions. For instance
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I don't understand the question, if you are looking for coordinates, the
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3x4+2x) = 3x  4  2x = 3x  2x  4 = x  4. So the final answer is x  4.
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