Multiply the first equation by -1 to use elimination method.
x-y=-7
6x+y=14
7x=7
x=1
Plug this x value in.
-1+y=7
y=8
Final answer: (1,8)
Answer: 42.5
Step-by-step explanation:
Answer:
$2.31
Step-by-step explanation:
The order of operations is a rule that tells you the right order in which to solve different parts of a math problem. The order of operations is important because it guarantees that people can all read and solve a problem in the same way.
It will take them 6 hours to travel 300 miles. How I got my answer: 160 divided by 3.2 = 50 miles per hour, 300 divided by 50 = 6 hours. Hope I could help! :D