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

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Solution for 5(a-20)=3(a+2) equation: 



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

We move all terms to the left:

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

We multiply parentheses

5a-(3(a+2))-100=0



We calculate terms in parentheses: -(3(a+2)), so:

3(a+2)

We multiply parentheses

3a+6

Back to the equation:

-(3a+6)



We get rid of parentheses

5a-3a-6-100=0

We add all the numbers together, and all the variables

2a-106=0

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

2a=106

a=106/2

a=53

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