Answer: 14
Step-by-step explanation:
Set the equation: 2 number (x and y)
x + y = 14
and x -y + 10
if you each equation by positive 2, one gets 2x + 2y = 28 and 2x - 2y = 20
The 't terms cancel out or equal zero when adding, so 4x=48, divided by 4 on each side and x or the first number equals 12.
