4(2a-4)+20=36

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Solution for 4(2a-4)+20=36 equation: 



4(2a-4)+20=36

We move all terms to the left:

4(2a-4)+20-(36)=0

We add all the numbers together, and all the variables

4(2a-4)-16=0

We multiply parentheses

8a-16-16=0

We add all the numbers together, and all the variables

8a-32=0

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

8a=32

a=32/8

a=4

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