You can put this solution on YOUR website! The sum of a certain number and a second number is negative 42.
The first number minus the second is 52. Find the numbers.
:
a + b = -42
a - b = 52
-------------adding eliminates b, find a
2a = 10
a = 5
:
Find b using the 1st equation
5 + b = -42
b = -42 - 5
b = -47
:
:
Check solution in the 2nd equation
5 -(-47) = 52