Math, asked by sanjract, 1 year ago

solve by using the method of cross multiplication
5x – 4y + 2 = 0, 2x + 3y = 13
​

Answers

Answered by diya654321
7

5x-4y=-2............(1)*2

2x+3y=13 ............(2)*5

10x-8y=-4

10x+15y=65

- - -

.....................

-23y=-69

y=69/23

y=3

putting (1)

5x-4y=-2

5x-4(3)=-2

5x-12=-2

5x=-2+12

x=10/5

x=2

diya654321: hmm
diya654321: solve kr ka y=3 aaya hai
diya654321: or x=2
sanjract: please jaldi batao
diya654321: bta to diya , mara bhi cross multiplication kr ka y=3 or x=2 aaya hai
sanjract: mera bhi wahi aaya lekin book me nahi hai ans sirf x=2
diya654321: then its ok
diya654321: ans ryt hai
sanjract: y=-3/2
sanjract: book me
Previous Question
Next Question
Similar questions
Political Science, 6 months ago
bhart ka prathm rastpati kon tha​...
Math, 6 months ago
In a mixture of milk and water, their ratio is 5:6 respectively in the first container. And the same mixture has ratio 7:2 respectively in the second container. What is the ratio should the mixture be extracted from each container and poured in to the third container, so that the ratio of milk and water comes to 6:5 respectively in the third container? ​
English, 6 months ago
This street-road is too narrow for even a car to pass through. (Remove too) ​...
Physics, 1 year ago
an object with mass m kg with speed of v m/s strikes a wall and rebounds with same angle and speed. find the magnitude of change in momentum ​...
Chemistry, 1 year ago
convert cyclohexylamine to cyclopentylamine​...
Geography, 1 year ago
Which is the deepest Marine Trenches in the world?
Geography, 1 year ago
A belt of calm exists near the equator stae one reason why...
Geography, 1 year ago
name of map preparing institution...