Stinkypete2013 Stinkypete2013
  • 03-12-2019
  • Mathematics
contestada

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

Respuesta :

Yang100
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

Write the place value of the underlined digit 0.724
What is the perimeter of △ABC? Round each step to the nearest tenth.
the faster a vehicle is going, the further it will continue to travel after the brakes are applied. Which is the independent variable in this situation?
A recipe asks for 2 1/3 cup of flour. How many cups of flour are needed for 3 1/2 recipes? A. 5 5/6 cups B. 6 1/6 cups C. 8 1/6 cups D. 8 1/3 cups
franciscan monks are begging monks true or false
How does the author of the invitation mainly reveal tasha's character?
What would 3/4 be as a decimal?
Identify the features that distinguish animals from organisms in other multicellular kingdoms.
Write a function rule that represents the situation. The price p of a pizza is $ 6.95 plus $ 0.75 for each of the t toppings on the pizza.
Please help I don't really understand