20+2a=30-3a

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Solution for 20+2a=30-3a equation: 



20+2a=30-3a

We move all terms to the left:

20+2a-(30-3a)=0

We add all the numbers together, and all the variables

2a-(-3a+30)+20=0

We get rid of parentheses

2a+3a-30+20=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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