Question

5x + 2y = 12

5x – 2y = 28

Answer 1

x=4

y=-4

Explanation:

you can do it by elimination method

Answer 2

x=4 and y=-4

Explanation:

5x+2y=12

5x-2y=28

adding both equations

10x=40

x=4

now put x=4 for y in any of equation

5(4)+2y=12

20+2y=12

2y=12-20

y=-8/2

y=-4