2(2a+5)-7(3+a)=3

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Solution for 2(2a+5)-7(3+a)=3 equation: 



2(2a+5)-7(3+a)=3

We move all terms to the left:

2(2a+5)-7(3+a)-(3)=0

We add all the numbers together, and all the variables

2(2a+5)-7(a+3)-3=0

We multiply parentheses

4a-7a+10-21-3=0

We add all the numbers together, and all the variables

-3a-14=0

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

-3a=14

a=14/-3

a=-4+2/3

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