-42=4x+7(x+5)

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Solution for -42=4x+7(x+5) equation:



-42=4x+7(x+5)
We move all terms to the left:
-42-(4x+7(x+5))=0
We calculate terms in parentheses: -(4x+7(x+5)), so:
4x+7(x+5)
We multiply parentheses
4x+7x+35
We add all the numbers together, and all the variables
11x+35
Back to the equation:
-(11x+35)
We get rid of parentheses
-11x-35-42=0
We add all the numbers together, and all the variables
-11x-77=0
We move all terms containing x to the left, all other terms to the right
-11x=77
x=77/-11
x=-7

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