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

What occurs when the sperm fuses with the egg?

eight cakes cost 4.00. how much do three cakes cost ?

___________ like Valium, affect judgment, vision and hand-eye coordination. a. Prescription drugs, b. Over-the-counter medications, c. Illegal drugs,

what was one speech givin by abe lincoln

Fish are thought to have descended from ostracoderms.

Give an example of an outcome that has resulted from John Deere’s use of empowerment

Study the example and choose the influence on perception. Those computer geeks are all the same. They spend all day playing video games and programming their co

Lucy took three tests. If her median score was 86, her mean score was 87, and the range was 13, what were her three test scores?

Which resource is a non-renewable and non-recyclable resource? A) iron B) gasoline C) beef cattle D) rainforests

Mammals are adapted to live in the following environments: a. land b. air c. water d. all of the above