138=5x-5(4x+9)

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Solution for 138=5x-5(4x+9) equation: 



138=5x-5(4x+9)

We move all terms to the left:

138-(5x-5(4x+9))=0



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

5x-5(4x+9)

We multiply parentheses

5x-20x-45

We add all the numbers together, and all the variables

-15x-45

Back to the equation:

-(-15x-45)



We get rid of parentheses

15x+45+138=0

We add all the numbers together, and all the variables

15x+183=0

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

15x=-183

x=-183/15

x=-12+1/5

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