7x+15=2x+40

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Solution for 7x+15=2x+40 equation: 



7x+15=2x+40

We move all terms to the left:

7x+15-(2x+40)=0

We get rid of parentheses

7x-2x-40+15=0

We add all the numbers together, and all the variables

5x-25=0

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

5x=25

x=25/5

x=5

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