21x=5(x-2)

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Solution for 21x=5(x-2) equation: 



21x=5(x-2)

We move all terms to the left:

21x-(5(x-2))=0



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

5(x-2)

We multiply parentheses

5x-10

Back to the equation:

-(5x-10)



We get rid of parentheses

21x-5x+10=0

We add all the numbers together, and all the variables

16x+10=0

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

16x=-10

x=-10/16

x=-5/8

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