Question

Solve the system of linear equations.


`\displaystyle 6x+2y=30`

`\displaystyle x+2y=15`

Answer 1

(3,6)

Explanation:

-(6x+2y=30)

x+2y=15

-6x-2y=-30

x +2y=15

-5x=-15

x=3

3+2y=15

2y=12

y=6