Answer:
Hence, Eric's elevation changed
meters above. So after the 2 moves, he is up by
meters.
Step-by-step explanation:
Let us assume "negative" as climbing up and "positive" as climbing up. Here we need to find the change in elevation.
-
meters down means
.
meters up means
.
Now we have:

Answer:
No
Step-by-step explanation:
Multiply first equation by -5 and 2nd by 2, add them
15x+20y=-100
<u>2x-20y=32 +</u>
17x+0y=-68
17x=-68
divide both sides by 17
x=-4
the x value is -4
Answer:
(-4,4)
Step-by-step explanation: