25=-7a-5+9

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Solution for 25=-7a-5+9 equation: 



25=-7a-5+9

We move all terms to the left:

25-(-7a-5+9)=0

We add all the numbers together, and all the variables

-(-7a+4)+25=0

We get rid of parentheses

7a-4+25=0

We add all the numbers together, and all the variables

7a+21=0

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

7a=-21

a=-21/7

a=-3

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