42=74-x

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Solution for 42=74-x equation: 



42=74-x

We move all terms to the left:

42-(74-x)=0

We add all the numbers together, and all the variables

-(-1x+74)+42=0

We get rid of parentheses

1x-74+42=0

We add all the numbers together, and all the variables

x-32=0

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

x=32

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