(15-x)*2+12+14=40

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Solution for (15-x)*2+12+14=40 equation: 



(15-x)*2+12+14=40

We move all terms to the left:

(15-x)*2+12+14-(40)=0

We add all the numbers together, and all the variables

(-1x+15)*2+12+14-40=0

We add all the numbers together, and all the variables

(-1x+15)*2-14=0

We multiply parentheses

-2x+30-14=0

We add all the numbers together, and all the variables

-2x+16=0

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

-2x=-16

x=-16/-2

x=+8

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