amiirerichards841
amiirerichards841 amiirerichards841
  • 24-02-2021
  • Mathematics
contestada

I am thinking of a number.... When I double a number and subtract 10 from it, I get 30. What is my number?

Respuesta :

jaydencaraballo26 jaydencaraballo26
  • 24-02-2021

Answer:

20

Step-by-step explanation: 20 doubled is 40 and 40 - 10 is 30

Answer Link
fergie7399
fergie7399 fergie7399
  • 24-02-2021

Answer:

20

Step-by-step explanation:

2x-10=30

Add 10 to both sides.

2x-10+10=30+10

2x=40

Divide both sides by 2.

2x/2=40/2

x=20

Answer Link

Otras preguntas

Selena has $10. What is the greatest amount of spinach she can buy? Spinach is $3 per pound. How many pounds at most?
Which of the following describes the main focus of The Prince? A. It promotes political power based on Christian principles. B. It offers advice on acquiring
A recipe uses 3 cups of flour and 2 cups of sugar. Write the ratio of flour to sugar as a fraction, then find the unit rate.
how do I find out how to decompose 3/10
What are the names of two highly respected men who were Federalists?
How do you do y=9x+200 Please
what is 5ab+3bc-4ab+5bc-6ab-3bc
Ho Chi Minh compared his military to a
What is the main purpose of Act 3 of the Tragedy of Macbeth
how do I find out how to decompose 3/10