21x+147=189

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Solution for 21x+147=189 equation: 



21x+147=189

We move all terms to the left:

21x+147-(189)=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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