75 × x is a multiple of 9, then x
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Answer:
the value of x = 3
Step-by-step explanation:
it is done by trial and error method
let's put value of x 1 by 1
if x=1
75 X 1 =75 (it is not a multiple of 9)
if x=2
75 X 2=150 (it is not a multiple of 9)
if x=3
75 X 3=225 (it is a multiple of 9)
hence the value of x is 3
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