College Algebra
posted by Sheena .
Find the sum of two numbers is 2, and their difference is 26. Find the numbers

x + y = 2
x  y = 26
Add the two equations:
2x = 28
x = 14
Subtract the second original equation from the first one:
2y = 24
y = 12
Sum: 14  12 = 2
Difference: 14  (12) = 26