21x+99=21+18

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Solution for 21x+99=21+18 equation: 



21x+99=21+18

We move all terms to the left:

21x+99-(21+18)=0

We add all the numbers together, and all the variables

21x+99-39=0

We add all the numbers together, and all the variables

21x+60=0

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

21x=-60

x=-60/21

x=-2+6/7

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