5a+7=3a-13

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Solution for 5a+7=3a-13 equation: 



5a+7=3a-13

We move all terms to the left:

5a+7-(3a-13)=0

We get rid of parentheses

5a-3a+13+7=0

We add all the numbers together, and all the variables

2a+20=0

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

2a=-20

a=-20/2

a=-10

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