(2x-7)+x+(2x-7)+4=90

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Solution for (2x-7)+x+(2x-7)+4=90 equation: 



(2x-7)+x+(2x-7)+4=90

We move all terms to the left:

(2x-7)+x+(2x-7)+4-(90)=0

We add all the numbers together, and all the variables

x+(2x-7)+(2x-7)-86=0

We get rid of parentheses

x+2x+2x-7-7-86=0

We add all the numbers together, and all the variables

5x-100=0

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

5x=100

x=100/5

x=20

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