18=7x+5(x+6)

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Solution for 18=7x+5(x+6) equation:



18=7x+5(x+6)
We move all terms to the left:
18-(7x+5(x+6))=0
We calculate terms in parentheses: -(7x+5(x+6)), so:
7x+5(x+6)
We multiply parentheses
7x+5x+30
We add all the numbers together, and all the variables
12x+30
Back to the equation:
-(12x+30)
We get rid of parentheses
-12x-30+18=0
We add all the numbers together, and all the variables
-12x-12=0
We move all terms containing x to the left, all other terms to the right
-12x=12
x=12/-12
x=-1

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