You can set up an system of equations
x=2y+8
x-y=25
Substitute x in to the second equation
2y+8-y=25
y+8=25
y=17
Substitute the y back in to the first equation.
x=2(17)+8=42
Step-by-step explanation:
180°+63°
=243°
holp it help
Absolute values are always positive, so this becomes -3(2)+(4)(5)
Multiply. -6+20=14
Answer: 14
The average speed for the trip is 11 miles per hour, or mph. 99 miles divided by 9 is 11