jamezdmm jamezdmm

19-12-2014
Mathematics

contestada

Which ordered pair is the solution to the system of equations?

2x-5y=-5
x+2y=11

Respuesta :

AwfulLife AwfulLife

19-12-2014

2x-5y= -5
-2/*x+2y=11

2x-5y= -5
-2x-4y= -22
+------------------
-9y=-27
y=3

x+2y=11
x+2*3=11
x=5

Answer Link

konrad509 konrad509

19-12-2014

[tex]2x-5y=-5\\ x+2y=11\\\\ 2x-5y=-5\\ -2x-4y=-22\\ -------\\ -9y=-27\\ y=3\\\\ x+2\cdot3=11\\ x+6=11\\ x=5\\\\ (5,3)[/tex]

Answer Link

Otras preguntas

A body with a mass of 5 Kg has the same kinetic energy as a second body. The second body has a mass of 10 kg and is moving at a speed of 20 m/s. How fast is the

the difference between two positive integers is 40. one integer is three times as great as the other. find the integer.

Which of the following did NOT contribute to the Great Depression? (A) buying stocks on margin (B) consumer installment buying (C) underconsumption of goods (D)

how old are you?. im taking a survey... thanks

why we do not feel the heat and light of countless twinkliing stars?

A body with a mass of 5 Kg has the same kinetic energy as a second body. The second body has a mass of 10 kg and is moving at a speed of 20 m/s. How fast is the

slugs are the only member of what that have no shells

the difference between two positive integers is 40. one integer is three times as great as the other. find the integer.

divide and simplify 4/9÷8/15

Simplify (-2xy2)4(2x3y4)2