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18/6=7x+2(-7x)
We move all terms to the left:
18/6-(7x+2(-7x))=0
We add all the numbers together, and all the variables
-(7x+2(-7x))+3=0
We calculate terms in parentheses: -(7x+2(-7x)), so:We get rid of parentheses
7x+2(-7x)
We multiply parentheses
7x-14x
We add all the numbers together, and all the variables
-7x
Back to the equation:
-(-7x)
7x+3=0
We move all terms containing x to the left, all other terms to the right
7x=-3
x=-3/7
x=-3/7
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