7(2x+3)+21=140

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Solution for 7(2x+3)+21=140 equation:



7(2x+3)+21=140
We move all terms to the left:
7(2x+3)+21-(140)=0
We add all the numbers together, and all the variables
7(2x+3)-119=0
We multiply parentheses
14x+21-119=0
We add all the numbers together, and all the variables
14x-98=0
We move all terms containing x to the left, all other terms to the right
14x=98
x=98/14
x=7

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