20(20-1x)=300

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Solution for 20(20-1x)=300 equation: 



20(20-1x)=300

We move all terms to the left:

20(20-1x)-(300)=0

We add all the numbers together, and all the variables

20(-1x+20)-300=0

We multiply parentheses

-20x+400-300=0

We add all the numbers together, and all the variables

-20x+100=0

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

-20x=-100

x=-100/-20

x=+5

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