Fireblast3210 Fireblast3210
  • 09-03-2019
  • Mathematics
contestada

Solve the system of equations using Elimination/Combinations

-2x-y=-4

x+2y=5

Respuesta :

anonymous9145
anonymous9145 anonymous9145
  • 09-03-2019
x+2y=5
x = -2y+5

-2(-2y+5) - y = -4
4y - 10 -y = -4
3y - 10 = -4
3y = 6
y = 2

x + 2(2) = 5
x + 4 = 5
x= 1

Therefore, the coordinates are (1,2).
Answer Link

Otras preguntas

Solve the multiplication problem -3 2/3 x (4 1/2) Write as a mixed number.
Which of these is likely to lower the chances that a teen will use a seat belt? A. Having a parent who doesn't use a seat belt B. Being alone in the car
QUICKK EXPERTS/ACE OR ANYONE WHO WANTS TO HELP!!
More than 40% of India’s population lives on less than $1.25 a day.what kind of standard of living do these people most likely? A. They have a very high standa
Ernie bought 3 12-packs of regular cola, 4 12-packs of diet cola, and 2 6-packs of orange soda. How many cans did he buy? 3. Draw a picture or a chart that sho
Jacki evaluated the expression below. mc021-1.jpg What was Jacki’s error? Jacki should have simplified the exponent first. Jacki should have multiplied 4 and 8
While recruiting a customer-care service specialist, which quality is the management most likely to look for?
What is the area of trapezoid ABCD? Enter your answer as a decimal or whole number in the box. Do not round at any steps.
Write code to complete print_factorial()'s recursive case. sample output if user_val is 5: 5! = 5 * 4 * 3 * 2 * 1 = 120
On a field trip, there were 5 girls for every 8 boys. How many girls attended the 130-student field trip?