21x-17=5(4x+5)-8

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Solution for 21x-17=5(4x+5)-8 equation: 



21x-17=5(4x+5)-8

We move all terms to the left:

21x-17-(5(4x+5)-8)=0



We calculate terms in parentheses: -(5(4x+5)-8), so:

5(4x+5)-8

We multiply parentheses

20x+25-8

We add all the numbers together, and all the variables

20x+17

Back to the equation:

-(20x+17)



We get rid of parentheses

21x-20x-17-17=0

We add all the numbers together, and all the variables

x-34=0

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

x=34

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