mehdichinku mehdichinku

01-02-2016
Mathematics

contestada

If 19 more than 2 times a number is 23, what is the number?

Respuesta :

taskmasters taskmasters

01-02-2016

2 is the unknown number.

Let x be the unknown number.

2x + 19 = 23
2x = 23 - 19
2x = 4
2x/2 = 4/2
x = 2

to check:
2(2) + 19 = 23
4 + 19 = 23
23 = 23

Answer Link

Otras preguntas

Using these images as inspiration, write a claim, one or two sentences in length, in support of the soda ban.

A light bulb manufacturer randomly tests 1500 bulbs and finds that 2 are defective. How many defective bulbs would be expected in a shipment of 24,000 bulbs?

Your teacher has assigned you to write a research paper on the US Revolution war, but you aren't familiar with this era. What graphic organizer would be best to

Train A arrives at the train station every 30 minutes, and Train B arrives every 40 minutes. Both are at the train station right now. In how many minutes will b

Cell theory teaches that

What is not a way to create tension in a plot?

what is formal language

A hotel offers a reward program based on the number of nights stayed. The function f(x) represents the number of free nights earned as a function of x, the numb

Which explanation of the solar system best fits the observations of the planets and how they orbit the sun Question 27 options: The gravity of a large, massi

Describe a linear equation in the form Ax + By = C for each condition. a. A = 0 b. B = 0 c. C = 0