20(2x+9)=5(4x+40)

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Solution for 20(2x+9)=5(4x+40) equation: 



20(2x+9)=5(4x+40)

We move all terms to the left:

20(2x+9)-(5(4x+40))=0

We multiply parentheses

40x-(5(4x+40))+180=0



We calculate terms in parentheses: -(5(4x+40)), so:

5(4x+40)

We multiply parentheses

20x+200

Back to the equation:

-(20x+200)



We get rid of parentheses

40x-20x-200+180=0

We add all the numbers together, and all the variables

20x-20=0

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

20x=20

x=20/20

x=1

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