7x+75=2x+90

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Solution for 7x+75=2x+90 equation: 



7x+75=2x+90

We move all terms to the left:

7x+75-(2x+90)=0

We get rid of parentheses

7x-2x-90+75=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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