15x+7=8x-7

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Solution for 15x+7=8x-7 equation: 



15x+7=8x-7

We move all terms to the left:

15x+7-(8x-7)=0

We get rid of parentheses

15x-8x+7+7=0

We add all the numbers together, and all the variables

7x+14=0

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

7x=-14

x=-14/7

x=-2

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