Math, asked by patialpankaj91, 2 months ago

I made this question for 10th

Attachments:

Answers

Answered by kowshik10a14ylk

3

Answer:

10 questions

Step-by-step explanation:

3x+y=40-->1

4x+2y=50

2x+y=25-->2

1-2

x=15

by substituting y=-5

x+y=number of questions

15+(-5)=10

Previous Question

Next Question

Similar questions

History, 1 month ago

What is Photobiology good morning everyone...

Math, 1 month ago

12. Find the cube root of 571787 by finding their ones and tens digit.

Math, 1 month ago

simplify 100 + (-35) + (-60)...

Math, 2 months ago

plz answer those questions ...

English, 2 months ago

what was Portia response to bassanios. reaction on the letter...

English, 10 months ago

The children were practicing for the_____...

Math, 10 months ago

Find a fraction wich bears the same ratio to 3/7 that 1/5 does to 7/15...

Political Science, 10 months ago

the first astronomical ...