Answer: B
Step-by-step explanation:
To isolate x, you divide both sides by 21
21x=7

x = 7/21
Simplify by dividing both the numerator and denominator by 7
x = 1/3
Since, 1/3 is not an option, B is the correct answer
4 is correct
reason is because the number next to x is the constant number and the end number is where you started
Answer:
-15, -8, -4, -1, 3, 10
Step-by-step explanation:
On the number line, the integers would be set up as :-
-15, -8, -4, -1, 3, 10
Hope this helps, thank you :) !!
Answer:
upper left: -7/3, lower: 3, upper right: -2/3
Step-by-step explanation:
upper left :
(1-8)/(7-4)=-7/3
lower:
(9-0)/(4-1)=9/3=3
upper right:
(-1-5)/(6-(-3))=-6/9=--2/3