Respuesta :
Let the numbers be x and y.
Sum means addition.
Difference means subtraction.
x + y = 22
x - y = 12
Add the equations above.
2x = 34
x = 17
Now substitute 17 for x in the first equation.
x + y = 22
17 + y = 22
y = 5
The numbers are 5 and 17.
Sum means addition.
Difference means subtraction.
x + y = 22
x - y = 12
Add the equations above.
2x = 34
x = 17
Now substitute 17 for x in the first equation.
x + y = 22
17 + y = 22
y = 5
The numbers are 5 and 17.