7x-15=3x-7

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Solution for 7x-15=3x-7 equation: 



7x-15=3x-7

We move all terms to the left:

7x-15-(3x-7)=0

We get rid of parentheses

7x-3x+7-15=0

We add all the numbers together, and all the variables

4x-8=0

We move all terms containing x to the left, all other terms to the right

4x=8

x=8/4

x=2

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