Question

x = - y - 2
0.5x + y = 1

Answer 1

Answer:

Step-by-step explanation:

substitute x = - y - 2 in 0.5x + y = 1

0.5(- y - 2) + y = 1

-0.5y-1+y=1

0.5y=2

y=4

x=- y - 2

x=-4-2

x=-6

Answer 2

Answer:

x=4; x=-6

Step-by-step explanation: