Answer:
x= -3
Step-by-step explanation:
Solve the rational equation by combining expressions and isolating the variable x.
3x+y=17
=> 3x=17-y
Again, x+3y=-1
=> 3y= -1-x
now, 3x+3y= (17-y)+(-1-x)
= 17-y-1-x
= 16-x-y
If she rides at 12 miles per hour, we know that 45 minutes is three quarters of an hour, therefore just workout:
3/4 x 12 = 9
So she would travel 9 miles in 45 minutes.
Answer:
it is D because it is asking for the opposite of -4 so it would be the tick mark on -4 and 4
Step-by-step explanation:
