21x+x=66

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Solution for 21x+x=66 equation:



21x+x=66
We move all terms to the left:
21x+x-(66)=0
We add all the numbers together, and all the variables
22x-66=0
We move all terms containing x to the left, all other terms to the right
22x=66
x=66/22
x=3

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