(3x-9)8=3(x+5)-7

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Solution for (3x-9)8=3(x+5)-7 equation: 



(3x-9)8=3(x+5)-7

We move all terms to the left:

(3x-9)8-(3(x+5)-7)=0

We multiply parentheses

24x-(3(x+5)-7)-72=0



We calculate terms in parentheses: -(3(x+5)-7), so:

3(x+5)-7

We multiply parentheses

3x+15-7

We add all the numbers together, and all the variables

3x+8

Back to the equation:

-(3x+8)



We get rid of parentheses

24x-3x-8-72=0

We add all the numbers together, and all the variables

21x-80=0

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

21x=80

x=80/21

x=3+17/21

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