4x-9=77-9x

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Solution for 4x-9=77-9x equation: 



4x-9=77-9x

We move all terms to the left:

4x-9-(77-9x)=0

We add all the numbers together, and all the variables

4x-(-9x+77)-9=0

We get rid of parentheses

4x+9x-77-9=0

We add all the numbers together, and all the variables

13x-86=0

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

13x=86

x=86/13

x=6+8/13

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