2(x+20)=5(x-10)

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Solution for 2(x+20)=5(x-10) equation: 



2(x+20)=5(x-10)

We move all terms to the left:

2(x+20)-(5(x-10))=0

We multiply parentheses

2x-(5(x-10))+40=0



We calculate terms in parentheses: -(5(x-10)), so:

5(x-10)

We multiply parentheses

5x-50

Back to the equation:

-(5x-50)



We get rid of parentheses

2x-5x+50+40=0

We add all the numbers together, and all the variables

-3x+90=0

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

-3x=-90

x=-90/-3

x=+30

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