Math, asked by amanaman30, 19 days ago

By equating coefficients of variables solve the
following equator 3x - 4y = 7 ; 5x + 2y = 3

Answers

Answered by missmishra2007

4

Step-by-step explanation:

3x - 4 y = 7 (I)

5x + 2y = 3 .(II)

Multiply (II) with 2

10x + 4y = 6 (III)

Adding (I) and (Ill)

13x = 13

⇒ x = 1

Putting the value of x in (I) we get

3 x 1 - 4y = 7

⇒ 3 - 4y = 7

⇒ y = -1

Thus, X=1 and y = -1

Previous Question

Next Question

Similar questions

Math, 9 days ago

find the value of polynomial 5x-4 at x=-1...

Social Sciences, 9 days ago

What is the important of periodisation? in history in 1 chapter - How, when and where in class 8 follow...

Physics, 9 days ago

4. The ratio of the total distance travelled to the total time taken to cover that distance is called O a) speed O b) mass O c) random motion O d) average speed...

Math, 19 days ago

volume of cylinder $volume of cylinder$ ...

Physics, 19 days ago

give the experiment of current carrying rod ab experience of force perpendicular to its length and the magnetic field...

Biology, 8 months ago

firsts terrestrial plant to develop a vascular tissue...

Physics, 8 months ago

Force acting on a particle is [2i+3j]N ,Work done by this force is zero,when the particle is moved along the line 3y+kx=5,here the value of k is?

Accountancy, 8 months ago

JA. Prove that the Accounting Equation is satisfied in all the following transactions of Suresh. Also prepare a Balance Sheet. (i) Commenced business with cash * 60,000. (ii) Paid rent in advance 500. (iii) Purchased goods for cash 30,000 and credit 20,000. (iv) Sold goods for cash 30,000 costing 20,000. (v) Paid salary 500 and salary outstanding being 100 (vi) Bought motorcycle for personal use...