3x+(-20)=4(.5x-5)

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



3x+(-20)=4(.5x-5)

We move all terms to the left:

3x+(-20)-(4(.5x-5))=0

We add all the numbers together, and all the variables

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



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

4(.5x-5)

We multiply parentheses

4x-20

Back to the equation:

-(4x-20)



We get rid of parentheses

3x-4x+20-20=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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