4(x-10)=2(x+20)

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Solution for 4(x-10)=2(x+20) equation: 



4(x-10)=2(x+20)

We move all terms to the left:

4(x-10)-(2(x+20))=0

We multiply parentheses

4x-(2(x+20))-40=0



We calculate terms in parentheses: -(2(x+20)), so:

2(x+20)

We multiply parentheses

2x+40

Back to the equation:

-(2x+40)



We get rid of parentheses

4x-2x-40-40=0

We add all the numbers together, and all the variables

2x-80=0

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

2x=80

x=80/2

x=40

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