Math, asked by javaharlalanuragi889, 2 months ago

X-y=7;2x-3y=11 solve this questions by substitutions method

Answers

Answered by sanskritigrover0073

1

Step-by-step explanation:

X-y=7 → (1) 2x-3y=11 → (2)

by substitution method

using equation (1)

x = 7 + y

putting the value of x inequation (2)

2(7+y) - 3y = 11

14 + 2y - 3y = 11

-y = 11 - 14

-y = -3

y = 3 (Ans)

Answered by supriyapavnak

0

Answer:

no problem if you dont know

Previous Question

Next Question

Similar questions

Physics, 1 month ago

Two vectors Ā and b are equal in magnitude each equal to 20 unit and are inclined at 60° to each other. The magnitude of difference of these two vectors is 10 unit O 20 unit O 20√3 unit 40 unit...

Physics, 1 month ago

A and B are two vectors having the same magnitude but acting at right angle to each other. On the same diagram represent A + B and A – B, using a suitable scale?

Math, 1 month ago

Express the first quantity as a percentage of the second 1.45 metre, 1 hour ...

Math, 2 months ago

6. (i) Three men do a job in 8 days. How long will 4 men take to finish the job? (ii) Fifteen workers can repair a road in 24 days. How long will it take for 9 workers repair the road?

History, 2 months ago

a) Differentiate between the Mesolithic age, Palaeolithic age and Neolithic age on the basis of meaning and time period. Don tell there definition just tell the difference and if someone ans correct I will mark as brainliest .

Math, 10 months ago

Find the sum of 567 and - 176...

English, 10 months ago

why was lushkoff grateful to Sergei??

Physics, 10 months ago

please some one tell me the right options of mcq numbers 45 and 46...