16-7a=-7a-4a

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



16-7a=-7a-4a

We move all terms to the left:

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

We add all the numbers together, and all the variables

-7a-(-11a)+16=0

We get rid of parentheses

-7a+11a+16=0

We add all the numbers together, and all the variables

4a+16=0

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

4a=-16

a=-16/4

a=-4

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