21x-35=7

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Solution for 21x-35=7 equation: 



21x-35=7

We move all terms to the left:

21x-35-(7)=0

We add all the numbers together, and all the variables

21x-42=0

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

21x=42

x=42/21

x=2

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