4(3x+40)=2(x+20)

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Solution for 4(3x+40)=2(x+20) equation: 



4(3x+40)=2(x+20)

We move all terms to the left:

4(3x+40)-(2(x+20))=0

We multiply parentheses

12x-(2(x+20))+160=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

12x-2x-40+160=0

We add all the numbers together, and all the variables

10x+120=0

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

10x=-120

x=-120/10

x=-12

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