7(7+2x)=-21

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Solution for 7(7+2x)=-21 equation:



7(7+2x)=-21
We move all terms to the left:
7(7+2x)-(-21)=0
We add all the numbers together, and all the variables
7(2x+7)-(-21)=0
We add all the numbers together, and all the variables
7(2x+7)+21=0
We multiply parentheses
14x+49+21=0
We add all the numbers together, and all the variables
14x+70=0
We move all terms containing x to the left, all other terms to the right
14x=-70
x=-70/14
x=-5

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