3x+2-7x+8=42

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Solution for 3x+2-7x+8=42 equation: 



3x+2-7x+8=42

We move all terms to the left:

3x+2-7x+8-(42)=0

We add all the numbers together, and all the variables

-4x-32=0

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

-4x=32

x=32/-4

x=-8

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