justarandomgirll justarandomgirll

08-12-2020
Mathematics

contestada

4x + 3y = 6
3x + 5y = -1
Solve the simultaneous equations.

y=
z=

4x 3y 6 3x 5y 1 Solve the simultaneous equations y z class=

Respuesta :

08-12-2020

Answer:

x=3, y= -2

Step-by-step explanation:

Multiplying :

(4x+3y =6)*-3

(3x+5y =-1)*4

-12x -9y= -18

12x+20y= -4

Add the equations

20y-9y = -4-18

11y = -22

y= -22/11 = -2

3x +5* -2= -1

3x -10 = -1

3x = 10-1

x= 9/3 =3

Answer Link

Otras preguntas

If you used the article "Global Warming" by Sandra Smith on p. 12 in Time magazine, what would your in-text citation be? ("Global Warming"). (Smith).

How did computers change between 1946 and the 1980's?

In 1867 the united states purchased alaska and the whaling ships constantly occupied the arctic waters. these whalers took as many whales as they could but unli

The ford fiesta was first introduced in the 1970s. although not successful in the united states, it was in europe. what macroenvironmental factor did the fiesta

1.) what territory borders the colonies in the north? 2.) what territory borders the colonies in the south? 3.) what mountain range became the boundary line i

Why does jack's group attack the four boys in their hut?

In mammals, the weight of the heart is approximately 0.5% of the total body weight. Write a linear model that gives the heart weight in terms of the total body

Which of these people would argue for the elimination of the Carolina parakeet in Florida? A. Bird-watchers B. Farmers C. Industrialists D. Textile mill owners

345 days, he travels a total of 21,987 miles on this route. how many miles does he travel every day on this route? round to the nearest hundredth if necessary.

Hank's pickup can travel 48 miles on 3 gallons of gas. How many gallons will Hank's pickup need to travel 32 miles?