1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Svetradugi [14.3K]
3 years ago
10

when 8 is subtracted from a certain number and the result is multiplied by 3 the final answer is 21. What is the original number

Mathematics
2 answers:
Bingel [31]3 years ago
6 0

Answer: The original number is 15.

Step-by-step explanation:

LuckyWell [14K]3 years ago
6 0

Answer:

15

Step-by-step explanation:

(x-8)*3=21

x-8=21/3

x-8=7

x=7+8

x=15

You might be interested in
After my salary was increased by $16\%,$ it was $\$52{,}200$. What was my salary before the increase?
boyakko [2]
The salary before the increase was $48000.
5 0
3 years ago
A store is selling a shirt for 1/4 off the original price of 28. what is the sale price of the shirt
Sedaia [141]
1/4 off means 0.25 * 28
7
Sale price = 28-7
= 21
3 0
3 years ago
You owe $1,534.09 on a credit card that has an interest rate of 15.7% APR. You decide to put $250.00 into a savings account earn
Brilliant_brown [7]

you shouldnt answer if you really dont know you noodle head , the answer is 2.54

6 0
3 years ago
6(6x−3)= helpppppppppppppp distibutive property again
bagirrra123 [75]

Answer:

6(6x-3)

=36x-18

Step-by-step explanation:

6(6x-3(

multiply 6 x 6 and 6 x 3

36x - 18

5 0
4 years ago
What is the exact value of sin(-345°) in fraction form?
Damm [24]
You draw the reference angle of 45° but clockwise. The exact value of sin(-345°) is 1/√2.
5 0
3 years ago
Other questions:
  • N the spring of 2008, petrol cost £1.029 per litre in london. on the same day, the exchange rate was $1 = £0.497. what was the p
    12·1 answer
  • What is the most useful positioning of a square in the first quadrant of a coordinate plane
    7·1 answer
  • This is complicated- what is 3x + (-2x)?
    10·2 answers
  • Jessica is baking a cake. The recipe says that she has to mix 32 grams of vanilla powder to the flour. Jessica knows that 1 cup
    11·1 answer
  • 9 more than galls height is 50
    12·1 answer
  • Please Help! What is the distance between points (2, 8) and (7, 5)? Round to the nearest tenth of a unit.
    15·2 answers
  • What is the value of x?<br> 39° (3x)°
    5·2 answers
  • Prove that 3 + 2√5 is irrational
    8·1 answer
  • Paco rides his bike for hour. He wants to ride his bike for 1 hour total
    5·2 answers
  • 2
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!