In my number the digit in the ones place is doubled the digit in the tens place the sum of the digit is three what is my number

Respuesta :

xy is the number (not x times y)

x is tens place
y is the ones place

ones is double tens place and sum is 3

y=2x
x+y=3
subsitute 2x for y
x+2x=3
3x=3
divide 3
x=1
sub back
y=2x
y=2(1)
y=2

xy
12
the number is 12