2+5a=7+3a-8-7

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Solution for 2+5a=7+3a-8-7 equation: 



2+5a=7+3a-8-7

We move all terms to the left:

2+5a-(7+3a-8-7)=0

We add all the numbers together, and all the variables

5a-(3a-8)+2=0

We get rid of parentheses

5a-3a+8+2=0

We add all the numbers together, and all the variables

2a+10=0

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

2a=-10

a=-10/2

a=-5

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