-169=2x-5(4x+5)

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Solution for -169=2x-5(4x+5) equation: 



-169=2x-5(4x+5)

We move all terms to the left:

-169-(2x-5(4x+5))=0



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

2x-5(4x+5)

We multiply parentheses

2x-20x-25

We add all the numbers together, and all the variables

-18x-25

Back to the equation:

-(-18x-25)



We get rid of parentheses

18x+25-169=0

We add all the numbers together, and all the variables

18x-144=0

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

18x=144

x=144/18

x=8

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