7(2x+3)=-21

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Solution for 7(2x+3)=-21 equation:



7(2x+3)=-21
We move all terms to the left:
7(2x+3)-(-21)=0
We add all the numbers together, and all the variables
7(2x+3)+21=0
We multiply parentheses
14x+21+21=0
We add all the numbers together, and all the variables
14x+42=0
We move all terms containing x to the left, all other terms to the right
14x=-42
x=-42/14
x=-3

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