12x+18=21-7x

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Solution for 12x+18=21-7x equation:



12x+18=21-7x
We move all terms to the left:
12x+18-(21-7x)=0
We add all the numbers together, and all the variables
12x-(-7x+21)+18=0
We get rid of parentheses
12x+7x-21+18=0
We add all the numbers together, and all the variables
19x-3=0
We move all terms containing x to the left, all other terms to the right
19x=3
x=3/19
x=3/19

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