7a+10=20+2a

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Solution for 7a+10=20+2a equation: 



7a+10=20+2a

We move all terms to the left:

7a+10-(20+2a)=0

We add all the numbers together, and all the variables

7a-(2a+20)+10=0

We get rid of parentheses

7a-2a-20+10=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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