-23=7a-16a+4

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Solution for -23=7a-16a+4 equation: 



-23=7a-16a+4

We move all terms to the left:

-23-(7a-16a+4)=0

We add all the numbers together, and all the variables

-(-9a+4)-23=0

We get rid of parentheses

9a-4-23=0

We add all the numbers together, and all the variables

9a-27=0

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

9a=27

a=27/9

a=3

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