21+8a=4(4+2a)

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Solution for 21+8a=4(4+2a) equation: 



21+8a=4(4+2a)

We move all terms to the left:

21+8a-(4(4+2a))=0

We add all the numbers together, and all the variables

8a-(4(2a+4))+21=0



We calculate terms in parentheses: -(4(2a+4)), so:

4(2a+4)

We multiply parentheses

8a+16

Back to the equation:

-(8a+16)



We get rid of parentheses

8a-8a-16+21=0

We add all the numbers together, and all the variables

5!=0

There is no solution for this equation

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