21x+30=51

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Solution for 21x+30=51 equation: 



21x+30=51

We move all terms to the left:

21x+30-(51)=0

We add all the numbers together, and all the variables

21x-21=0

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

21x=21

x=21/21

x=1

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