-40+2x+15=7

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



-40+2x+15=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x-32=0

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

2x=32

x=32/2

x=16

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