Question

for certain simultaneous equation if D=-5, Dx=15, Dy=10​

Answer 1

Dx = 15, Dy= 10, D = -5

then,

x= Dx /x

= 15 / -5

= -3

Y = Dy/ y

= 10 /-5

=-2

therefore, solution is x= -3 & Y= -2

Answer 2

The required values x = - 3 , y = - 2

Given :

For simultaneous equations in x and y

$\sf{D = - 5\: , \: D_x = 15 \: , \: D_y = 10}$

To find :

The value of x and y

Solution :

Step 1 of 2 :

Write down the given data

Here it is given that for simultaneous equations in x and y

$\sf{D = - 5\: , \: D_x = 15 \: , \: D_y = 10}$

Step 2 of 2 :

Find the value of x and y

Using Cramer's rule we get

$\displaystyle \sf{x = \frac{D_x}{D} = \frac{15}{-5} = - 3 }$

$\displaystyle \sf{y = \frac{D_y}{D} = \frac{10}{-5} = - 2 }$

Hence the required values are x = - 3 , y = - 2

Correct question : for certain simultaneous equation $\sf{D = - 5\: , \: D_x = 15 \: , \: D_y = 10}$ find the value of x and y

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

1. Solve the given system of equations.

2x + 8y = 5 24x - 4y = -15

https://brainly.in/question/33685046

2. 2x+3y=12 and 4x+5y=22

https://brainly.in/question/18427922