21x-2=5x-4

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



21x-2=5x-4

We move all terms to the left:

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

We get rid of parentheses

21x-5x+4-2=0

We add all the numbers together, and all the variables

16x+2=0

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

16x=-2

x=-2/16

x=-1/8

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