Math, asked by sonakshi9255, 3 months ago

If 49x-57y=172 and 57x-49y=252 then x+y=?
Find x+y

Attachments:

Answers

Answered by unnamed21

2

Answer:

10 is the correct answer

Attachments:

Answered by rashmigolatkar25

3

Answer:

49x-57y=172 -- 1

57x-49y=252-- 2

Subracting equation 2 from 1

57x-49y=252

49x-57y=172

- + -

8x +8y =80

÷by 8

x + y = 10

Previous Question

Next Question

Similar questions

Biology, 1 month ago

define photosynthesis...

Math, 1 month ago

a line has number __point,a ray has__end point and line segment has __ end points...

Math, 1 month ago

what is the (-2) x —— = 18...

Math, 3 months ago

verify whether the points 2 3 4 2 10 1 are collinear or not...

Biology, 3 months ago

draw chart of glycolisis with carbon numbers...

Physics, 10 months ago

A. Complete the following word ladder with the help of the clues given. |(1) L o S(2) E(4) (3)0 Q ACROSS : 1. A body which has and emits light of its own. 3. A substance which does not allow light to pass through. P. (5)T 5. A substance which allows light to pass through it. DOWN: E 2. This is formed when light is blocked by opaque object. 4. When moon comes between the Sun and Earth.

Math, 10 months ago

Estimate the product and verify the by actual calculation 48×7 ...

History, 10 months ago

Make a timeline for the epidemic/pandemic that had spread out in India till now along with the pictures. For eg. 1817-1824 Cholera, 1918 Flu pandemic in India After 1918 time to time many of these were spread in the country in past. So collect relevant data of it and also find out what precautionary steps or initiatives were taken by the government of India during that time. (you all guys don't...