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

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



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

We move all terms to the left:

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

We multiply parentheses

-4x-(5(x-4))+80=0



We calculate terms in parentheses: -(5(x-4)), so:

5(x-4)

We multiply parentheses

5x-20

Back to the equation:

-(5x-20)



We get rid of parentheses

-4x-5x+20+80=0

We add all the numbers together, and all the variables

-9x+100=0

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

-9x=-100

x=-100/-9

x=11+1/9

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