A(x)=8x-20

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Solution for A(x)=8x-20 equation: 



(A)=8A-20

We move all terms to the left:

(A)-(8A-20)=0

We get rid of parentheses

A-8A+20=0

We add all the numbers together, and all the variables

-7A+20=0

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

-7A=-20

A=-20/-7

A=2+6/7

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