3(4x-20)=4(5x-90)

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Solution for 3(4x-20)=4(5x-90) equation: 



3(4x-20)=4(5x-90)

We move all terms to the left:

3(4x-20)-(4(5x-90))=0

We multiply parentheses

12x-(4(5x-90))-60=0



We calculate terms in parentheses: -(4(5x-90)), so:

4(5x-90)

We multiply parentheses

20x-360

Back to the equation:

-(20x-360)



We get rid of parentheses

12x-20x+360-60=0

We add all the numbers together, and all the variables

-8x+300=0

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

-8x=-300

x=-300/-8

x=37+1/2

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