the sum of the digits of a two-digit number is 9.the number is 6times the units digit .find the number.
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let the number be 10x+y
X+y= 9. (1)
also 10x+y= 6(y)
10x= 5y
y= 2x (2)
put y= 2x in equation 1
3x= 9
X= 3 (3)
put (3) in (2)
y=6 ...
therefore the no. is 36
hope this helps
pls mark as brainliest pls
X+y= 9. (1)
also 10x+y= 6(y)
10x= 5y
y= 2x (2)
put y= 2x in equation 1
3x= 9
X= 3 (3)
put (3) in (2)
y=6 ...
therefore the no. is 36
hope this helps
pls mark as brainliest pls
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