Question

Elimination using Addition and Subtraction 3x - y = - 1 ; - 3x - y = 5​

Answer 1

Answer:

x=-1,y=2

Step-by-step explanation:

3x-y=-1 __(1)

-3x-y=5___(2)

______

6x=-6

x=-1

substitute x value in (1)

3(-1)-y=-1

y=2