-18+45=-3(x+4)

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Solution for -18+45=-3(x+4) equation:



-18+45=-3(x+4)
We move all terms to the left:
-18+45-(-3(x+4))=0
We add all the numbers together, and all the variables
-(-3(x+4))+27=0
We calculate terms in parentheses: -(-3(x+4)), so:
-3(x+4)
We multiply parentheses
-3x-12
Back to the equation:
-(-3x-12)
We get rid of parentheses
3x+12+27=0
We add all the numbers together, and all the variables
3x+39=0
We move all terms containing x to the left, all other terms to the right
3x=-39
x=-39/3
x=-13

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