2a-3(-2a-7)=4a+3(a+7)

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Solution for 2a-3(-2a-7)=4a+3(a+7) equation: 



2a-3(-2a-7)=4a+3(a+7)

We move all terms to the left:

2a-3(-2a-7)-(4a+3(a+7))=0

We multiply parentheses

2a+6a-(4a+3(a+7))+21=0



We calculate terms in parentheses: -(4a+3(a+7)), so:

4a+3(a+7)

We multiply parentheses

4a+3a+21

We add all the numbers together, and all the variables

7a+21

Back to the equation:

-(7a+21)



We add all the numbers together, and all the variables

8a-(7a+21)+21=0

We get rid of parentheses

8a-7a-21+21=0

We add all the numbers together, and all the variables

a=0

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