2(2x+x)=90

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Solution for 2(2x+x)=90 equation: 



2(2x+x)=90

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(+3x)-90=0

We multiply parentheses

6x-90=0

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

6x=90

x=90/6

x=15

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