12x-132=21x+309

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Solution for 12x-132=21x+309 equation:



12x-132=21x+309
We move all terms to the left:
12x-132-(21x+309)=0
We get rid of parentheses
12x-21x-309-132=0
We add all the numbers together, and all the variables
-9x-441=0
We move all terms containing x to the left, all other terms to the right
-9x=441
x=441/-9
x=-49

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