42-2x=71

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Solution for 42-2x=71 equation: 



42-2x=71

We move all terms to the left:

42-2x-(71)=0

We add all the numbers together, and all the variables

-2x-29=0

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

-2x=29

x=29/-2

x=-14+1/2

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