5x=21-2(6-4x)

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Solution for 5x=21-2(6-4x) equation: 



5x=21-2(6-4x)

We move all terms to the left:

5x-(21-2(6-4x))=0

We add all the numbers together, and all the variables

5x-(21-2(-4x+6))=0



We calculate terms in parentheses: -(21-2(-4x+6)), so:

21-2(-4x+6)

determiningTheFunctionDomain
-2(-4x+6)+21

We multiply parentheses

8x-12+21

We add all the numbers together, and all the variables

8x+9

Back to the equation:

-(8x+9)



We get rid of parentheses

5x-8x-9=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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