Question

Solve the system by elimination. Check your solution.
2x + 5y = 60
2x - 5y = -20

Answer 1

x=10

y=8

(10;8)

Explanation:

4x=40

x=40/4

x=10

2(10)+5y=60

20+5y=60

5y=60-20

5y=40

y=40/5

y=8