5x-21=2(x-6)

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



5x-21=2(x-6)

We move all terms to the left:

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



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

2(x-6)

We multiply parentheses

2x-12

Back to the equation:

-(2x-12)



We get rid of parentheses

5x-2x+12-21=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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