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70=(x+4)*7
We move all terms to the left:
70-((x+4)*7)=0
We calculate terms in parentheses: -((x+4)*7), so:We get rid of parentheses
(x+4)*7
We multiply parentheses
7x+28
Back to the equation:
-(7x+28)
-7x-28+70=0
We add all the numbers together, and all the variables
-7x+42=0
We move all terms containing x to the left, all other terms to the right
-7x=-42
x=-42/-7
x=+6
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