Jose7luis Jose7luis

01-05-2020
Mathematics

contestada

Three more than a certain number is
18 less than twice the number.
What is the number?

Respuesta :

Hacktag17 Hacktag17

01-05-2020

i don't have an answer sorry.

Answer Link

Chelboy Chelboy

01-05-2020

Answer:

Then number is 21

Step-by-step explanation:

a+3=2a-18

Collect like terms we have

2a-a=3+18

a=21

Answer Link

Otras preguntas

Please answer this correctly without making mistakes

Which of the following is NOT a question you should ask yourself when considering the validity of a research source? Is the author reliable? When was the source

Help me with this math question please

Please help thank you

What is the daughter nucleus (nuclide) produced when Po210 undergoes alpha decay? Replace the question marks with the proper integers or symbols.

1. Consider the ball example in the introduction when a ball is dropped from 3 meters. After the ball bounces, it raises to a height of 2 meters. The mass of th

A sample of 1300 computer chips revealed that 58% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states tha

Assume that the president’s job approval is at 43%. Assume the cost of conducting a poll is $2.50 per person. Imagine if you were to be tasked with helping to c

the bacteria in a colony are unable to perform conjugation.how would this hurt the bacterial colony's chance for survival.

Prof. Marcia Grail, supervillain and superscientist, wishes to spy on her foes (they'll all pay!) from orbit. She wishes to be able to resolve detail on order t