-16-7(2a+3)=23-21

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Solution for -16-7(2a+3)=23-21 equation: 



-16-7(2a+3)=23-21

We move all terms to the left:

-16-7(2a+3)-(23-21)=0

We add all the numbers together, and all the variables

-7(2a+3)-16-2=0

We add all the numbers together, and all the variables

-7(2a+3)-18=0

We multiply parentheses

-14a-21-18=0

We add all the numbers together, and all the variables

-14a-39=0

We move all terms containing a to the left, all other terms to the right

-14a=39

a=39/-14

a=-2+11/14

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