Question

Solve these simultaneous equations:

2x + 4y = 38

7x - 4y =7

Answer 1

Explanation:

Answer 2

x=5, y=7

Explanation:

2x+4y= 38

+7x-4y= 7

9x= 45

9x/9= 45/9

x=5

2x+4y=38

2(5)+4y= 38

10+4y= 38

-10 -10

4y= 28

4y/4= 28/4

y=7