Question

20 POINTS
6x+2y=42 -6x+12y=42
Solve with elimination

Answer 1

x=5,y=6

Explanation:

given, 6x+2y=42................(1)

-6x+12y=42..............(2)

adding (1) and (2)

6x+2y-6x+12y=42+42

14y=84

y=
`(84)/(14)`

y=6,

y=6 put in equation (1)

6x+2times{6}=42

6x=42-12=30

x=
`(30)/(6)`

x=5

Answer 2

X=17/3, Y=4

Explanation:

In the attached file