Answer:
Step-by-step explanation:
the solution is x+2y - 3z =15. 2x – 2z=6 x = 3. 2/3)-22=6.
Emma wanted to buy some apples from the store. They each cost $0.5. If Emma paid $12.5 in total, how many apples did Emma buy?
Answer:
700=700
Step-by-step explanation:
Answer:
12m-18-3m=2m+m-18
9m-18= 3m-18
9m-3m=18-18
6m=0
m=0/6=0
Step-by-step explanation:
Answer:
Step-by-step explanation:
a^1=-2
a^n=a×a^n-1
