90(x-20)=

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Solution for 90(x-20)= equation: 



90(x-20)=

We move all terms to the left:

90(x-20)-()=0

We add all the numbers together, and all the variables

90(x-20)=0

We multiply parentheses

90x-1800=0

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

90x=1800

x=1800/90

x=20

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