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
Answer:
11=y
66=x
6=y
55=x
Step-by-step explanation:
Hope this helps
Have a great day!
Answer: y = 2x - 20
1. y + 18 = 2(x - 1)
2. y + 18 = 2x - 2
3. y + 20 = 2x
4. y = 2x - 20
Answer:
Evan is incorrect.
Step-by-step explanation:
20 ÷ 25 =
0.8 =
0.8 × 100% =
80%;
Good luck buddy!