Answer:
-9 = a
Step-by-step explanation:
Divide both sides by -4 to isolate a: a = -36/4 = -9 = a
5x + 8y = –29
7x – 2y = –67
Answer:
9
Step-by-step explanation:
2(5)-(1)
10-1
9
Answer:
Debra can run 10 miles per hour
Step-by-step explanation:
2.5 times 4 = 10