-3(5a-8)=20

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Solution for -3(5a-8)=20 equation: 



-3(5a-8)=20

We move all terms to the left:

-3(5a-8)-(20)=0

We multiply parentheses

-15a+24-20=0

We add all the numbers together, and all the variables

-15a+4=0

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

-15a=-4

a=-4/-15

a=4/15

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