5(x-4)=-20(x-9)

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Solution for 5(x-4)=-20(x-9) equation: 



5(x-4)=-20(x-9)

We move all terms to the left:

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

We multiply parentheses

5x-(-20(x-9))-20=0



We calculate terms in parentheses: -(-20(x-9)), so:

-20(x-9)

We multiply parentheses

-20x+180

Back to the equation:

-(-20x+180)



We get rid of parentheses

5x+20x-180-20=0

We add all the numbers together, and all the variables

25x-200=0

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

25x=200

x=200/25

x=8

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