7x+4x-36=90-7x

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Solution for 7x+4x-36=90-7x equation: 



7x+4x-36=90-7x

We move all terms to the left:

7x+4x-36-(90-7x)=0

We add all the numbers together, and all the variables

7x+4x-(-7x+90)-36=0

We add all the numbers together, and all the variables

11x-(-7x+90)-36=0

We get rid of parentheses

11x+7x-90-36=0

We add all the numbers together, and all the variables

18x-126=0

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

18x=126

x=126/18

x=7

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