One number is 3 more than twice the other number. If the sum of the two numbers is 12, find the two numbers.

Answer 1

Let the unknown numbers be X and Y.

X = 2Y + 3

X+Y = 12

X = 12 - Y

Therefore

2Y + 3 = 12 - Y

3Y = 12 - 3 = 9

3Y = 9

Y = 3

X =12 - Y = 12 - 3 = 9

The end.