4x+21-4=5(5x+6)

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Solution for 4x+21-4=5(5x+6) equation: 



4x+21-4=5(5x+6)

We move all terms to the left:

4x+21-4-(5(5x+6))=0

We add all the numbers together, and all the variables

4x-(5(5x+6))+17=0



We calculate terms in parentheses: -(5(5x+6)), so:

5(5x+6)

We multiply parentheses

25x+30

Back to the equation:

-(25x+30)



We get rid of parentheses

4x-25x-30+17=0

We add all the numbers together, and all the variables

-21x-13=0

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

-21x=13

x=13/-21

x=-13/21

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