X+42=2x-1

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Solution for X+42=2x-1 equation: 



X+42=2X-1

We move all terms to the left:

X+42-(2X-1)=0

We get rid of parentheses

X-2X+1+42=0

We add all the numbers together, and all the variables

-1X+43=0

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

-X=-43

X=-43/-1

X=+43

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