4(a+5)=2(3a+1)

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Solution for 4(a+5)=2(3a+1) equation: 



4(a+5)=2(3a+1)

We move all terms to the left:

4(a+5)-(2(3a+1))=0

We multiply parentheses

4a-(2(3a+1))+20=0



We calculate terms in parentheses: -(2(3a+1)), so:

2(3a+1)

We multiply parentheses

6a+2

Back to the equation:

-(6a+2)



We get rid of parentheses

4a-6a-2+20=0

We add all the numbers together, and all the variables

-2a+18=0

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

-2a=-18

a=-18/-2

a=+9

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