Math, asked by sunithasivakumar, 1 month ago

Solve by cross multiplicate 3x+5y=21;-7x-6y=-49

Answers

Answered by parmanandyadavjkn

2

Step-by-step explanation:

3x+5y=21

-7x-6y=-49

3x+5y=21 × 6

-7x-6y=-49 ×5

18x+ 30y=126

- 35x -30y=-245

17x=119

x=7

Previous Question

Next Question

Similar questions

Math, 25 days ago

The Central location of India at the head of the Indian Ocean is considered of great significance. why ? only 18 followers please complete to 200 ...

English, 25 days ago

Briefly describe the island of Lady of Shalott and it's surrounding?

Math, 25 days ago

shipra bought books for $ 529. 65 and a notebook for $ 212•80 . If she gave the shopkeeper $ 1000 , how many money will he return ?

English, 1 month ago

(1) Fill in the blanks with appropriate words: (i) His parents stood him all the time. (ii) A true scholar is recognized his erudition (iii) The sea abounds fish. (iv) Harish was acquitted the charge of murder. (v) Our flight is bound Delhi. (vi) The French fought the last man. (vii) The portrait is true life. (viii) He called help when he was in trouble.

Psychology, 1 month ago

Interview 10 people in your surrounding who are 65+ in age. Discuss the problems being faced by them due to their increasing age and prepare a report of the same.

Math, 7 months ago

2 examples of non-reapting rational number...

Math, 7 months ago

x2-4√2x+6=0 by quadratic formula...

Math, 7 months ago

Can anyone solve this?