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

Base your answer on the accompanying photograph, which shows an outcrop of sedimentary rock layers that have been tilted and slightly metamorphosed. the tilted
Why do you think the American people choose to elect president Roosevelt in 1932 instead of Re-electing President Herbert Hoover
Explain how to determine whether two ratios are equivalent.
Which two conclusions are most likely true about the system that ancient Egyptians used to bring water to their crops?
What is the solution set for 6x−2=5x+3, given the replacement set {2, 3, 4, 5}? x = 2 x = 3 x = 4 x = 5
The passage below is an excerpt from the Fourteenth Amendment: No State shall make or enforce any law which shall abridge the privileges or immunities of citiz
A spherical inflated balloon is submerged in a pool of water. if it is further inflated so that its radius doubles, how is the buoyant force affected?
The turbine shown in fig. p5.114 develops 100 hp when the flowrate of water is 20 ft3 /s. if all losses are negligible, determine (a) the elevation h, (b) the p
describe the role of membranes in the synthesis of atp in cellular respiration
How to tell wether the ordered pair is a solution of the equation?