131=2x-5(-4x+9)

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Solution for 131=2x-5(-4x+9) equation: 



131=2x-5(-4x+9)

We move all terms to the left:

131-(2x-5(-4x+9))=0



We calculate terms in parentheses: -(2x-5(-4x+9)), so:

2x-5(-4x+9)

We multiply parentheses

2x+20x-45

We add all the numbers together, and all the variables

22x-45

Back to the equation:

-(22x-45)



We get rid of parentheses

-22x+45+131=0

We add all the numbers together, and all the variables

-22x+176=0

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

-22x=-176

x=-176/-22

x=+8

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