4x+7x-54=90-7x

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Solution for 4x+7x-54=90-7x equation: 



4x+7x-54=90-7x

We move all terms to the left:

4x+7x-54-(90-7x)=0

We add all the numbers together, and all the variables

4x+7x-(-7x+90)-54=0

We add all the numbers together, and all the variables

11x-(-7x+90)-54=0

We get rid of parentheses

11x+7x-90-54=0

We add all the numbers together, and all the variables

18x-144=0

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

18x=144

x=144/18

x=8

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