Ed0uanisanoleph Ed0uanisanoleph

16-03-2017
Mathematics

contestada

If 9 were subtracted from three times a number, the result would be the same as if 4 were added to twice the number. what is the number?

Respuesta :

Chaser15 Chaser15

17-03-2017

3x-9=2x+4
3x-9+9=2x+4+9
3x=2x+13
3x-2x=2x-2x+13
x=13
Check:
3(13)-9=2(13)+4
39-9=26+4
30=30

Answer Link

Otras preguntas

What were the geological, biological, and climate changes during the Paleogene period of the Cenozoic era that influenced speciation and extinctions?

letter of your best friend has been selected to present in soccer

How does the Endangered Species Act seek to protect endangered species? A. Allows regular hunting of endangered species to control population B. Means stiff pen

A hard water sample contains 0.0087 � by mass (in the form of Ca2 ions). Part A What mass of water in grams contains 1.3 g of Ca ? (1.3 g of Ca is the recommend

How did the immigration pattern change in Michigan and what was its influence from the Kern reading

If the total cost function for producing x lamps is C(x)=500+31x+0.2x² dollars, producing how many units, x, will result in a minimum average cost per unit?

Most of the alcohol a person consumes is absorbed into the bloodstream from what part of the body?

Use the properties of definite integrals to find the value of ∫_2⁹ f(x)dx for the following function. f(x) = 4x+5 if x ≤ 6 -0.3x+7 if x > 6

A company is divided into 300,000 shares. an investor purchases 15,000 shares. what percent of the company does the investor own?

The effects of the sympathetic and parasympathetic systems are many times q, of one another. Give an example of this: Other times, the effects of both systems a