Math, asked by altamashansari06299, 5 months ago

13x+7y=20;7x+13y=40

Answers

Answered by ojhasweta52

1

Answer:

7x + 13y + 13x + 7y = 27 + 33. ⇒ 20x + 20y = 60. ⇒ 20(x + y) = 60. Now we divide both sides by 20. ⇒ x + y = 3.

Answered by guruji1224

0

Answer:

hope it will help you bro

Attachments:

Previous Question

Next Question

Similar questions

Social Sciences, 2 months ago

What is women right?

Physics, 2 months ago

2 separate taps on a pillar in the vitthala temple at hampi., Karnataka, produces sounds having frequency of 168 and 112 hz. What kind do sound will it be? Why?

Physics, 2 months ago

Which of the following does not show sublimation? a. Iodine b. Water c. Naphthalene which is a answer ...

Accountancy, 5 months ago

Explain the different forms of vouchers used in recording business transactions during accounting.

English, 5 months ago

A started a business by investment rs 8800.After 4 months B joined him with an amount of rs 11200 .after 2 months of Bs joining C joined them. The respective ratio of investments of B and C was 7:12 . If they earned annual profit of rs 43650.what is Bs share of profit...

English, 9 months ago

write a paragraph on healthy habits (100-120words).

Math, 9 months ago

(90.)एक किलोमीटर की दौड़ में A, B को 50 मीटर तथा B,C को 60 मीटर से हरा सकता है, तो 500 मीटर की दौड़ में A,C को कितने मीटर से हरा सकता है ? (a) 55 मी० (b) 50 मी० (c) 53.5 मी० (d) 21.4 मी०...

Physics, 9 months ago

if the range and maximum height of a projection are respectively R and H the maximum range that could be obtained with the same velocity of projection is?