7x-90=2x-1

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Solution for 7x-90=2x-1 equation: 



7x-90=2x-1

We move all terms to the left:

7x-90-(2x-1)=0

We get rid of parentheses

7x-2x+1-90=0

We add all the numbers together, and all the variables

5x-89=0

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

5x=89

x=89/5

x=17+4/5

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