3a-2(4a+5)+10=30

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Solution for 3a-2(4a+5)+10=30 equation: 



3a-2(4a+5)+10=30

We move all terms to the left:

3a-2(4a+5)+10-(30)=0

We add all the numbers together, and all the variables

3a-2(4a+5)-20=0

We multiply parentheses

3a-8a-10-20=0

We add all the numbers together, and all the variables

-5a-30=0

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

-5a=30

a=30/-5

a=-6

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