7x+90=3x+180

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Solution for 7x+90=3x+180 equation: 



7x+90=3x+180

We move all terms to the left:

7x+90-(3x+180)=0

We get rid of parentheses

7x-3x-180+90=0

We add all the numbers together, and all the variables

4x-90=0

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

4x=90

x=90/4

x=22+1/2

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