4=(3x-7)5=(5x-21)

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Solution for 4=(3x-7)5=(5x-21) equation: 



4=(3x-7)5=(5x-21)

We move all terms to the left:

4-((3x-7)5)=0



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

(3x-7)5

We multiply parentheses

15x-35

Back to the equation:

-(15x-35)



We get rid of parentheses

-15x+35+4=0

We add all the numbers together, and all the variables

-15x+39=0

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

-15x=-39

x=-39/-15

x=2+3/5

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