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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