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:
146 minus 59? equals 87 :)
Answer:
he must have 200000 dollars to earn 6000 in commission
Answer:15 units
Step-by-step explanation: