-9-(9+7)+7a=2(112-9)+2a

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Solution for -9-(9+7)+7a=2(112-9)+2a equation: 



-9-(9+7)+7a=2(112-9)+2a

We move all terms to the left:

-9-(9+7)+7a-(2(112-9)+2a)=0

We add all the numbers together, and all the variables

7a-(2103+2a)-9-16=0

We add all the numbers together, and all the variables

7a-(2103+2a)-25=0

We get rid of parentheses

7a-2a-2103-25=0

We add all the numbers together, and all the variables

5a-2128=0

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

5a=2128

a=2128/5

a=425+3/5

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