5a-(12-2a)=3a+20

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Solution for 5a-(12-2a)=3a+20 equation: 



5a-(12-2a)=3a+20

We move all terms to the left:

5a-(12-2a)-(3a+20)=0

We add all the numbers together, and all the variables

5a-(-2a+12)-(3a+20)=0

We get rid of parentheses

5a+2a-3a-12-20=0

We add all the numbers together, and all the variables

4a-32=0

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

4a=32

a=32/4

a=8

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