4x+91=2x+121

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Solution for 4x+91=2x+121 equation: 



4x+91=2x+121

We move all terms to the left:

4x+91-(2x+121)=0

We get rid of parentheses

4x-2x-121+91=0

We add all the numbers together, and all the variables

2x-30=0

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

2x=30

x=30/2

x=15

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