birdie4
birdie4
08-02-2017
Mathematics
contestada
plz help with this!!!
Respuesta :
Аноним
Аноним
10-02-2017
4x - y = 61
2y = x
substitute x = 2y in first equaation:-
4(2y) - y = 61
7y = 61
y = 61/7
so x = 2 * 61/7 = 122/7
y = 8 5/7 and x = 17 3/7
Answer Link
VER TODAS LAS RESPUESTAS ( 56+ )
Otras preguntas
Best Buy sold 638 iPads during the month of May for a total, including tax, of $296,963.48; what was the average cost to the consumer?
six nickels is what percent of one dollar
A mass of rock formed when a large body of magma cools inside the crust is called a
In America, the main influence of the Enlightenment was expressed through
two similar cones have surface areas in the ration 4:9. find the ration of their lengths and their volumes
The cost of a regular price ticket to a Saint Louis Cardinal baseball game was $60. During the World Series, the price increased by 2 ∕5 . What did the fans pa
What is the significance of chitin in arthropods?
if u connect 3 resistors, having values 2ohm, 3ohm, 5ohm in parallel, will the value of total resistance of will be 2ohm or greater than 5ohm or lie between 2oh
a washer and a dryer cost 659$ combined. The washer costs 91$ less than the dryer, how much was the dryer?
main characters in son by lois lowry
