(2a+10)=40

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Solution for (2a+10)=40 equation: 



(2a+10)=40

We move all terms to the left:

(2a+10)-(40)=0

We get rid of parentheses

2a+10-40=0

We add all the numbers together, and all the variables

2a-30=0

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

2a=30

a=30/2

a=15

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