3x-x+4=12

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Solution for 3x-x+4=12 equation:



3x-x+4=12
We move all terms to the left:
3x-x+4-(12)=0
We add all the numbers together, and all the variables
2x-8=0
We move all terms containing x to the left, all other terms to the right
2x=8
x=8/2
x=4

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