16-5a+8a=7a+4

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Solution for 16-5a+8a=7a+4 equation: 



16-5a+8a=7a+4

We move all terms to the left:

16-5a+8a-(7a+4)=0

We add all the numbers together, and all the variables

3a-(7a+4)+16=0

We get rid of parentheses

3a-7a-4+16=0

We add all the numbers together, and all the variables

-4a+12=0

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

-4a=-12

a=-12/-4

a=+3

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