20-6(a-4)=4

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Solution for 20-6(a-4)=4 equation: 



20-6(a-4)=4

We move all terms to the left:

20-6(a-4)-(4)=0

We add all the numbers together, and all the variables

-6(a-4)+16=0

We multiply parentheses

-6a+24+16=0

We add all the numbers together, and all the variables

-6a+40=0

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

-6a=-40

a=-40/-6

a=6+2/3

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