(12-x)+2=40

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



(12-x)+2=40

We move all terms to the left:

(12-x)+2-(40)=0

We add all the numbers together, and all the variables

(-1x+12)+2-40=0

We add all the numbers together, and all the variables

(-1x+12)-38=0

We get rid of parentheses

-1x+12-38=0

We add all the numbers together, and all the variables

-1x-26=0

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

-x=26

x=26/-1

x=-26

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