Answer:
The numbers are 12, 21.
Step-by-step explanation:
x+(x+9)=33
x+x+9=33
2x+9=33
2x=33-9
2x=24
x=24/2
x=12
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x+9=12+9=21
Please mark me as Brainliest if you're satisfied with the answer.
I'm not sure what the equation would be, but its the number multiplied by two, and It keeps accumulating so maybe yx2?
Undefined is the answer for me. Lol