5+7a=2a-5

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Solution for 5+7a=2a-5 equation: 



5+7a=2a-5

We move all terms to the left:

5+7a-(2a-5)=0

We get rid of parentheses

7a-2a+5+5=0

We add all the numbers together, and all the variables

5a+10=0

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

5a=-10

a=-10/5

a=-2

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