Put x=-2 in x-y=-2
-2-y=-2
-y=0
y=0
x=-2
that's your answer.
X can equal -7 or 1
X = -7 and 1
Answer:
B. 1
Step-by-step explanation:

Answer:
line 1
Step-by-step explanation:
because
3x + 2y + z = 11 ➡ z = 11 - 3x - 2y
3x and 2y must change sign when transfer to other sid eof equation
Answer:
6 pounds of ground beef cost $15.
Step-by-step explanation:

10 × y = 6 × 25
10y = 150
10y ÷ 10 = 150 ÷ 10
y = 15