exam Maths Puzzle Numerical Ability

When the digits of a two-digit number are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number?

Read Solution (Total 0)

exam Other Question
Factor using Greatest common binomial factor

x(y +9) -11 (y+9) PLEASE HELP!!! I need help solving the following problems:

1. y=2x+7
y=5x+4

2. 3x-2y=0
x+y=-5

3. 4x+3y=-3
2x+y=-1

4. 2x-4y= 3.8
3x-y=17.7

solve all by using substitution!