Seudónimo Seudónimo
  • 24-02-2021
  • Mathematics
contestada

twice a number when described by 7 gives 45 . find the number​. and also who wants to talk im bored

Respuesta :

mayonsingyangya
mayonsingyangya mayonsingyangya
  • 24-02-2021

Answer:

Answer

Let the number be x.

twice =2x

When it is decreased by 7 we get the following equation:

2x−7=45

⇒2x=45+7

⇒2x=52

⇒x=252

∴x=26

The number is 26.

Answer Link
taviun18 taviun18
  • 08-03-2021

Answer:

g

Step-by-step explanation:

Answer Link

Otras preguntas

A 14,700 N car is traveling at 25 m/s. The brakes are applied suddenly, and the car slides to a stop. The average braking force between the tires and the road i
Choose the correct simplification of the expression (3x2y3z4)(2x5y2z3). 6x7y5z7 6x10y6z12 5 x7y5z7 5x10y6z12 ...?
explique a expressão : "...a pratica da cidadania envolve muito mais a coletividade do que o individual(embora também o seja...)' MINIMO 12 LINHAS
Can u answer this please? I need it quick. It would mean a lot if u answer quick.
Please help me with #34 & #36, also explain please:)
Elements in living thingd
The long-term significance of Brown v. Board of Education is that it found segregated schools to be constitutional if they were equal in quality overturned
In circle A shown below, m arc BC is 61° and m Arc EF is 76°. What is m∡FDE? Answer 76° 38° 30.5° 68.5°
How do you find the area of a pentagon with the perimeter of 180
The sound produced by touching each button on a touch-tone phone is described by y = sin 2πlt + sin 2πht where l and h are the low and high frequencies (cycles