Answer:
X= 6, y= -2
Step-by-step explanation:
Let 6x-3y=42------------(1)
6x + 8y =20---------(2)
Subtract (1) from (2) we have
(2) - (1)
6x-6x + 8y - (-3y) = 20 -42
11y = -22
y = -22/ 11 = -2
From (1)
6x - 3y =42
6x - 3(-2) = 42
6x + 6 = 42
6x = 42- 6
6x = 36
x= 36/6 = 6
