Math, asked by ys2451413, 5 months ago

.If 3x + 7y = 10 and 7x + 3y = 20 ,find x+y.

Answers

Answered by Unknown0708

19

Answer:

Add both the equations

10x+10y = 30

10(x+y) = 30

x+y = 3

Mark as brainliest pls

Answered by vishalkuju07778

3

Answer:

x+y=18 it is the right answer

Previous Question

Next Question

Similar questions

Math, 2 months ago

7. The temperature of an oven is maintained at 180°C. Due to electricity failure the temperature drops at the rate of 10°C every 5 minutes. What will be the temperature of the oven after half an hour?

Computer Science, 2 months ago

to add a new layer folder you will click on the dash a) folder icon b) lock icon c) pencil icon...

Math, 2 months ago

Simple lol Question=5×+5=50 ...

Math, 5 months ago

Given that ∆ ABC-APOR. IBC = 4 cm, QR = 5 cm and ar{ ∆ABC) = 32 cm?, determine ar (∆ PQR). (3M)...

Physics, 5 months ago

A body in equilibrium will not have a) velocity b) momentum c) acceleration d) all of the above...

English, 10 months ago

8. What are nutrients ? What nutrients are more important than the others ?

Math, 10 months ago

Factories ab^2 - bc^2 - ab + c^2. The best answer will be marked as brainliest.

Social Sciences, 10 months ago

answer the match the following plzzzz...