Answer:
y = -2x + 7 and y = x - 2
Step-by-step explanation:
2x + y = 7
y = -2x +7
x - y = 2
-y = -x +2
y = x - 2
Answer:
Step-by-step explanation:
-15 times -5 = 75
-15 + -5 = -20
The answer is D. He divided both sides by 5 instead of dividing both sides by -5.
