23-02-2015
Mathematics

contestada

What is the solution to the system of equations?

4x + y = 2
x - y = 3

( , )

Respuesta :

subediprashant subediprashant

24-02-2015

4x + y = 2
x - y = 3 ⇒ x = 3 + y

4 (3+ y) + y = 2
12 + 4y + y = 2
12 + 5y = 2
5y = 2- 12
5y = -10
y = -10/ 5
y = -2

x = 3 + y ⇒ 3 + (-2) ⇒ 3 - 2 = 1

(1, -2)

Answer Link

Otras preguntas

frank rented a truck for one day. There was a base fee of 14.95, and there was an additional charge of 78 cents for each mile driven. Frank had to pay $134.29 w

Please help. How did Louisiana get its capital? No links or searching up. Will give you 50 points. Don't answer just for 50 points if it is wrong.

what is the volume of the prism below?

how does the current through a wire change if the wires resistance is increased? Explain why this is so?

20 - 4 { 20÷ 7 ( 7 - 3 )}

methods of communication in health and social care

y=[ ? ]° need help asap

is either x=5 or x=6 a solution to 4x>21

Find the arc length of the partial circle. Either enter an exact answer in terms of π or use 3.14 for π and enter your answer as a decimal.

What is the Job Outlook for Senior Vice President of Theatre Operations?