13a-102=-7a-207

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Solution for 13a-102=-7a-207 equation: 



13a-102=-7a-207

We move all terms to the left:

13a-102-(-7a-207)=0

We get rid of parentheses

13a+7a+207-102=0

We add all the numbers together, and all the variables

20a+105=0

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

20a=-105

a=-105/20

a=-5+1/4

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