9+x=77-7x

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Solution for 9+x=77-7x equation: 



9+x=77-7x

We move all terms to the left:

9+x-(77-7x)=0

We add all the numbers together, and all the variables

x-(-7x+77)+9=0

We get rid of parentheses

x+7x-77+9=0

We add all the numbers together, and all the variables

8x-68=0

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

8x=68

x=68/8

x=8+1/2

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