Answer:
C. -x^2-x+9
Step-by-step explanation:
Combine Like Terms:
what we have 2x^2+6x−7x+8−3x^2+1
=(2x^2−3x^2)+(6x+−7x)+(8+1)
=−x^2+−x+9
Answer:
A. 8 3/4 degrees
Step-by-step explanation:
Alaska temperature dropped from 3 degrees Fahrenheit to twelve and a quarter degrees Fahrenheit below zero
12 1/4°F - 3°F
=8 3/4°F
The temperature dropped by 8 3/4°F
Answer is A.
You start by adding the 7 to the opposite side. Giving you 19. You divide both sides by -2 which gives you x on one side and -9.5 on the other.
-2x-7=12
-2x=12(+7)
-2x=19
x=19/-2
x=-9.5
Answer:
Its very easy all you have to do is substitute the -3 into the x
Step-by-step explanation:
Answer:
2
Step-by-step explanation:2