15+8x=7x-8x

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



15+8x=7x-8x

We move all terms to the left:

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

We add all the numbers together, and all the variables

8x-(-1x)+15=0

We get rid of parentheses

8x+1x+15=0

We add all the numbers together, and all the variables

9x+15=0

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

9x=-15

x=-15/9

x=-1+2/3

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