4(2x-9)=20

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Solution for 4(2x-9)=20 equation: 



4(2x-9)=20

We move all terms to the left:

4(2x-9)-(20)=0

We multiply parentheses

8x-36-20=0

We add all the numbers together, and all the variables

8x-56=0

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

8x=56

x=56/8

x=7

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