Question

The sum of two numbers is 98. Their difference is 22. Write a system of equations that describes this situation. Solve by elimination to find the two numbers.
a.
x + y = 98
x – y = 22
55 and 33
c.
x – y = 98
x + y = 22
59 and 39
b.
x + y = 98
x – y = 22
60 and 38
d.
x + y = 22
y – x = 98
55 and 39

Answer 1

Answer:

x + y = 98

x - y = 22

2x = 120

x = 60

x + 60 = 98

x = 38

the answer is b