5(2x-4)=21

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



5(2x-4)=21

We move all terms to the left:

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

We multiply parentheses

10x-20-21=0

We add all the numbers together, and all the variables

10x-41=0

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

10x=41

x=41/10

x=4+1/10

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