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

The Commissariat established by Frederick William in Prussia became A. the overseer of the army. B. an agency of civil government. C. both a military and civil

An object with mass 60 kg moved in outer space. When it was at location < 13, -19, -3 > its speed was 3.5 m/s. A single constant force < 220, 320, -120

can u tell me how to solve this promblem 4/7 plus 3/7

How would you define psychological realism?

What was the South’s greatest concern when California applied for statehood?

How would you define psychological realism?

If 52 x equals 7800 y what does 1 x equal? What is the maths equation?

The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c

How would you define psychological realism?

When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off.Does the oxidation number of carbon change upon the formation of CO2?