18x-8x=21

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Solution for 18x-8x=21 equation: 



18x-8x=21

We move all terms to the left:

18x-8x-(21)=0

We add all the numbers together, and all the variables

10x-21=0

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

10x=21

x=21/10

x=2+1/10

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