4(a+20)=3(5a-10)

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Solution for 4(a+20)=3(5a-10) equation: 



4(a+20)=3(5a-10)

We move all terms to the left:

4(a+20)-(3(5a-10))=0

We multiply parentheses

4a-(3(5a-10))+80=0



We calculate terms in parentheses: -(3(5a-10)), so:

3(5a-10)

We multiply parentheses

15a-30

Back to the equation:

-(15a-30)



We get rid of parentheses

4a-15a+30+80=0

We add all the numbers together, and all the variables

-11a+110=0

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

-11a=-110

a=-110/-11

a=+10

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