Answer: x=-1
Step-by-step explanation:
8-3x-x=12
-3x-x=-4x
8-4x=12
-8 -8
-4x=4
-4x/-4=4/-4
x=-1
Answer:
0.666666667
Step-by-step explanation:
Given:
Consider the below figure attached with this question.
and
.
To find:
The measure of angle 3.
Solution:
From the below figure it is clear that, angle 3 and angle 4 are vertically opposite angles.
We know that, vertically opposite angles are always equal. So,






Now,


Therefore, the measure of angle 3 is 140 degrees.
To find the unit rate, divide total miles by number of gallons:
418 miles / 16 gallons = 26.125 miles per gallon
Round the answer as needed.