3x+7=15-5x

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Solution for 3x+7=15-5x equation: 



3x+7=15-5x

We move all terms to the left:

3x+7-(15-5x)=0

We add all the numbers together, and all the variables

3x-(-5x+15)+7=0

We get rid of parentheses

3x+5x-15+7=0

We add all the numbers together, and all the variables

8x-8=0

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

8x=8

x=8/8

x=1

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