12=-3(2+x)

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Solution for 12=-3(2+x) equation:



12=-3(2+x)
We move all terms to the left:
12-(-3(2+x))=0
We add all the numbers together, and all the variables
-(-3(x+2))+12=0
We calculate terms in parentheses: -(-3(x+2)), so:
-3(x+2)
We multiply parentheses
-3x-6
Back to the equation:
-(-3x-6)
We get rid of parentheses
3x+6+12=0
We add all the numbers together, and all the variables
3x+18=0
We move all terms containing x to the left, all other terms to the right
3x=-18
x=-18/3
x=-6

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