X+20+3x-8=42

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Solution for X+20+3x-8=42 equation: 



X+20+3X-8=42

We move all terms to the left:

X+20+3X-8-(42)=0

We add all the numbers together, and all the variables

4X-30=0

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

4X=30

X=30/4

X=7+1/2

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