9x+4=86+4x-7

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Solution for 9x+4=86+4x-7 equation: 



9x+4=86+4x-7

We move all terms to the left:

9x+4-(86+4x-7)=0

We add all the numbers together, and all the variables

9x-(4x+79)+4=0

We get rid of parentheses

9x-4x-79+4=0

We add all the numbers together, and all the variables

5x-75=0

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

5x=75

x=75/5

x=15

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