Is this calculus or something?
Answer:
C
Step-by-step explanation:
I hope this helps. Sorry if i'm wrong.
Answer:
d) 9 years
Step-by-step explanation:
let present age as 'x'.
then, x=2x-3(x-6)
x=2x-3x+18
x= -x+18
2x=18
x=18/2
x=9
IM SORRYYY
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Answer:
symmetric property
Step-by-step explanation:
The symmetric property states that for any real numbers, a and b,
if a = b then b = a
