alondra9673 alondra9673
  • 21-09-2021
  • Mathematics
contestada

A number is added to 4.
The result is then multiplied by 3 to
give a new result of 33. What is the number?

Respuesta :

alyssasocoolcom
alyssasocoolcom alyssasocoolcom
  • 21-09-2021

Answer:

it's 7, right?

Step-by-step explanation:

if you do it backwards it's 33÷3 which is 11 (only whole number that goes into 33)

then 11-4 is 7

Answer Link
renknee
renknee renknee
  • 21-09-2021

Answer:

7

Step-by-step explanation:

1. Translate the statement into an equation:

  • [tex](n+4)*3=33[/tex]

2. Simplify both sides of the equation.

  • [tex]n(3) + 4(3) = 33[/tex]
  • [tex]3n + 12 = 33[/tex]

3. Subtract 12 from both sides.

  • [tex]3n + 12 - 12 = 33 - 12[/tex]
  • [tex]3n = 21[/tex]

4. Divide both sides by 3.

  • [tex]\frac{3n}{3} = \frac{21}{3}[/tex]
  • [tex]n = 7[/tex]
Answer Link

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