2a+5=20-3a

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



2a+5=20-3a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2a+3a-20+5=0

We add all the numbers together, and all the variables

5a-15=0

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

5a=15

a=15/5

a=3

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