What number should be added to each of the numbers 12, 22, 42 and 72 so that the resulting numbers may be in proportion?
Solution:
The digits of a two-digit number differ by 3. If the digits are interchanged and the resulting number is added to the original number, we get 143. What can be the original number?
Solution:
More Solutions:
- Solve the following equations: 4(3x + 2) – 5(6x – 1) = 2(x – 8) – 6(7x – 4)
- Solve the following equations: 3-2x / 2x+5 = -3/11
- Solve the following equations: 2x+5 / 2 – 5x / x-1 = x
- Solve the following equations: 2x-3 / 2x-1 = 3x-1 / 3x+1
- If x = p + 1, find the value of p from the equation 1/2 (5x – 30) – 1/3 (1 + 7p) = ¼