Answer: The answer is A and C.
Step-by-step explanation:
I got it right on Khan. :)
Answer:
C. Carolyn did not subtract 4 from both sides of the equation.
Step-by-step explanation:
3x-2(x+2)=7 should be 3x-2x-4=7 not 3x-2x+4=7
Answer:
55.25 = x
Step-by-step explanation:
3x - 161 = 7x - 382
Balance method:
7x- 3x = -161 + 382
4x = 221
Divide to find x:
221/4 = x
55.25 = x
Slope between the points (x1,y1) and (x2,y2) is
(y1-y2)/(x1-x2)
given
(8,10) and (1,5)
(x,y)
x1=8
y1=10
x2=1
y2=5
slope=(10-5)/(8-1)=5/7
slope=5/7
