7-7a=-7-5a

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Solution for 7-7a=-7-5a equation: 



7-7a=-7-5a

We move all terms to the left:

7-7a-(-7-5a)=0

We add all the numbers together, and all the variables

-7a-(-5a-7)+7=0

We get rid of parentheses

-7a+5a+7+7=0

We add all the numbers together, and all the variables

-2a+14=0

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

-2a=-14

a=-14/-2

a=+7

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