21x-9=180-63

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Solution for 21x-9=180-63 equation: 



21x-9=180-63

We move all terms to the left:

21x-9-(180-63)=0

We add all the numbers together, and all the variables

21x-9-117=0

We add all the numbers together, and all the variables

21x-126=0

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

21x=126

x=126/21

x=6

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