4(a+10)=2(2a+20)

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Solution for 4(a+10)=2(2a+20) equation: 



4(a+10)=2(2a+20)

We move all terms to the left:

4(a+10)-(2(2a+20))=0

We multiply parentheses

4a-(2(2a+20))+40=0



We calculate terms in parentheses: -(2(2a+20)), so:

2(2a+20)

We multiply parentheses

4a+40

Back to the equation:

-(4a+40)



We get rid of parentheses

4a-4a-40+40=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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