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

Which has greater kinetic energy, a car traveling at 30 km/hr or a car of half the mass traveling at 60 km/hr?
Graph ƒ(x) = -x + 2. Click on the graph until the graph of ƒ(x) = -x + 2 appears.
John surveyed 30 members of a country club. He found that 9 members had signed up for tennis. What is the experimental probability that the next member surveyed
If it took 2.5 gallons of paint to cover 282 square feet of wall, how much paint is needed to paint an additional 423 square feet
Mitchell has a balance of $1,200 in his first state bank checking account. he deposits a $387.89 pay check, a $437.12 dividend check, and a personal check for $
A family has five children. the probability of having a girl is 1/2. what is the probability of having at least 4 girls?
Which statement would lead you to conclude that the writer has a negative opinion about mountain climbing? A. Injury is just one risk that mountain climbers
Tabitha earns $8.50 per hour at her summer job. She want to save money to buy a tablet that costs $289 plus 6% sales tax. Tabitha has already saved $75. Write a
When you are driving in fog, you can see better by?
Who should be chief in concerns of the christian church?