aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Simultaneous Equations
  • Solve: x + y = 2 and ax + by = a + b
Multiple choice

Solve: x + y = 2 and ax + by = a + b

  1. (a, 1)

  2. (a, b)

  3. (1, 1)

  4. (1, b)

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Multiply the first equation by 'a' and subtract from second. (b - a)y = b - a Or y = 1 and x = 1

Keep practicing — related questions

  • Solve: x + 2y = 5 and x - y = - 1
  • What will be the output of the program? String x = "xyz"; x.toUpperCase(); /* Line 2 */ String y = x.replac...
  • public class Test2 { public static int x; public static int foo(int y) { return y * 2; } public static void...
  • What will be the output of the program? public class Switch2 { final static short x = 2; public static int ...
  • Which of the following are legal lines of code? 1. int w = (int)888.8; 2. byte x = (byte)1000L; 3. long y =...
  • Match the columns: | || |---|---| |Column - I|Column - II| |A. Black rust |1. Puccinia triticina| |B. Brown...
  • What will be the output of the program? class Bitwise { public static void main(String [] args) { int x = 1...
  • What will be the output of the program? public class Test { public static int y; public static void foo(int...
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Linear Equations (153 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy