Stinkypete2013 Stinkypete2013

03-12-2019
Mathematics

contestada

find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75

Respuesta :

Yang100 Yang100

03-12-2019

Answer:

x=-5, y=-5. (-5, -5).

Step-by-step explanation:

-x-5y=30

10x+5y=-75

-----------------

9x=-45

x=-45/9

x=-5

-(-5)-5y=30

5-5y=30

5y=5-30

5y=-25

y=-25/5

y=-5

Answer Link

Otras preguntas

What is the SI unit of mass? Select one: a.Ounce b.Pound c.Gram d.Newton

a2670º y 11c2d5e7f110°

A 747 requires a takeoff speed of 270 meters per second if it is to get off the ground. Calculate the acceleration required for the 747 that begins from rest to

True/False:- Q5.River valleys and terraces are ideal for cultivation of crops.

can someone please answer this with step by step i really need help thank you

A physically distant narrator often uses _____________ point of view.

Algebra...George bought 2 identical couches and 3 identical chairs. A couch cost twice as much as a chair. He spent $270 more on th ecouches than on the chairs.

Why did the movement of plants to land lead to adaptive radiation?

Mrs. Peabodys classroom was collecting canned goods for a food drive. Her class set a goal of collecting 300 cans. At the end of the food drive, they collected

A ball is thrown straight up in the air. For which situations are both the instantaneous velocity and the acceleration zero? a. on the way up b. at the top of