30-2a=10+3a

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Solution for 30-2a=10+3a equation: 



30-2a=10+3a

We move all terms to the left:

30-2a-(10+3a)=0

We add all the numbers together, and all the variables

-2a-(3a+10)+30=0

We get rid of parentheses

-2a-3a-10+30=0

We add all the numbers together, and all the variables

-5a+20=0

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

-5a=-20

a=-20/-5

a=+4

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