Math, asked by villian001, 1 year ago

solve x+y=3,2x+y=-2 by cross multiplication with explanation!

Answers

Answered by roysharanjeet

6

x + y = 3 .....(i)

2x + y = -2.....(ii)

multiply eqn (i) by 2 and subtract with (ii)

2x + 2y = 6 ......(iii)

2x + y = -2.........(iv)

y = 8

put the value of y in eqn (i)

x = -5

Answered by guptakrishna0145

1

Mathematics Hmp class 10 ch-3 ex 3.4

Attachments:

Previous Question

Next Question

Similar questions

Science, 6 months ago

What do the graphs shown below indicate? speed Sose...

English, 6 months ago

one morning, ______ visitor knocked at my door.

Math, 6 months ago

The radius of the circle is 14cm and measure of the central angle is 90°and find the length of arc and area of sector. Give the correct answer. Those who will give incorrect answer I will respond their ans. And those who will give correct I will mark them brainliest....

English, 1 year ago

question in the attachment :- fill in the blanks with the appropriate nouns:- ...

Math, 1 year ago

please help me I will mark you brainlist ...

Physics, 1 year ago

How moment of force works...

Math, 1 year ago

please solve this $36 \div 0.2$ ...

Math, 1 year ago

In a perfectly symmetrical distribution the mode and the mean are 42 and 49 respectively approximate median and distribution is _a) 47. b)48. c)49. d)50...