39=7-8x

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Solution for 39=7-8x equation: 



39=7-8x

We move all terms to the left:

39-(7-8x)=0

We add all the numbers together, and all the variables

-(-8x+7)+39=0

We get rid of parentheses

8x-7+39=0

We add all the numbers together, and all the variables

8x+32=0

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

8x=-32

x=-32/8

x=-4

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