5x+12=-7x+84

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Solution for 5x+12=-7x+84 equation:



5x+12=-7x+84
We move all terms to the left:
5x+12-(-7x+84)=0
We get rid of parentheses
5x+7x-84+12=0
We add all the numbers together, and all the variables
12x-72=0
We move all terms containing x to the left, all other terms to the right
12x=72
x=72/12
x=6

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