7x+40=3x+122

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Solution for 7x+40=3x+122 equation: 



7x+40=3x+122

We move all terms to the left:

7x+40-(3x+122)=0

We get rid of parentheses

7x-3x-122+40=0

We add all the numbers together, and all the variables

4x-82=0

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

4x=82

x=82/4

x=20+1/2

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