Librooki6eAnnabiebu Librooki6eAnnabiebu

17-06-2016
Mathematics

contestada

The sum of a number and two times a smaller number is 62. three times the bigger number exceeds the smaller number by 116. the bigger number is . the smaller number is

Respuesta :

Ckaranja Ckaranja

21-06-2016

x+2y=62
3x-2y=116

solving the simultaneous equations by multiplying first equation by 3;
3x+6y=186
3x-y=116

Subtracting equation II from equation I;
7y=70
y=10
Replacing y in equation I;

x+20=62
x=42

Bigger number is 42 and smaller number is 20.

Answer Link

Otras preguntas

How do humans use their genes to produce more than 22,000 proteins?

Are $64,480 per year and $1,240 per week both unit rates?

why do you think we have only a rough estimate of how many Africans enslaved and brought to America

What did Africans do to iron ore during the Iron Age in order to make it possible to create iron tools and weapons?

If an object travels at five feet per second, how many feet does it travel in one hour?

Solve for x: 3x = 54

How did Charlemagne blend Roman, German, and Christian traditions? In the early middle ages.

What was the first plantation crop that European grew on the plain of northeast Brazil

(1+sin y)(1+sin (-y))=cos^2 y)

How to solve systems of equations: 4x+5y=11 2x+6y=16 show steps plz