30-01-2018
Mathematics

contestada

The sum of four times a number and negative three is twelve. What is the number?

Respuesta :

30-01-2018

The number is 3.75.
4n-3=12.
+3 to both sides
4n=15.
15 divided by4=3.75.

Checking Work:
4(3.75)=15
15-3=12.

Answer Link

Otras preguntas

The area of a pond is exactly 34 square meters, and the average depth is 34. meters. If the density of fish is 12 fish per cubic meter, how many fish can be fou

Adam is 2 years old. His sister lina is 1 year less than 3 times his age.write a numerical expression for linas age

To determine the location of the center of mass (or center of gravity) of a car, the car is drivenover a scale on a horizontal floor. When the front wheels are

Is 11.31371 rational or irrational

Which of the following stars is most likely to experience a supernova during its life cycle? White dwarf Black dwarf Black hole Supergiant

What is the internal conflict for Little Red Riding Hood?

The book of Joel deals with the day of the lord true or false

What is the 7 term in the sequence below? 3, 12, 48, 192, ...

An individual or environmental characteristic that precedes a mental disorder and is correlated with that disorder is called

NewLine, a reputed clothing store, shows its latest collection for women on Twitter and attracts young customers. Which type of content is delivered by Twitter