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

Primary (or personal) evidence includes
Given the function g(x) = x2 + 5x + 1, determine the average rate of change of the function over the interval -5 < x < 4.
pa answer po plss plssss
what is an insurance plan that provides coverage for an employee who suffers an injury or illness resulting from job-related duties.
Can someone pls help me with this!!!
How is Harry, in Past the Shallows, introduced?
Can someone pls help me
what is the significant of janus v. american federation of state, county and municipal employees?
Evaluate x+y when x=1/3 and y=−7/4. Write your answer in a fraction in simplest form.
cách đổi ev sang kj/mol