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3x+x+4=30x+16-12
We move all terms to the left:
3x+x+4-(30x+16-12)=0
We add all the numbers together, and all the variables
3x+x-(30x+4)+4=0
We add all the numbers together, and all the variables
4x-(30x+4)+4=0
We get rid of parentheses
4x-30x-4+4=0
We add all the numbers together, and all the variables
-26x=0
x=0/-26
x=0
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