7x=8-9x

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Solution for 7x=8-9x equation: 



7x=8-9x

We move all terms to the left:

7x-(8-9x)=0

We add all the numbers together, and all the variables

7x-(-9x+8)=0

We get rid of parentheses

7x+9x-8=0

We add all the numbers together, and all the variables

16x-8=0

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

16x=8

x=8/16

x=1/2

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