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Mathematics

Algebraic methods: Substitution method and Elimination method.

This Class 10 Mathematics topic from the chapter Pair of Linear Equations in Two Variables explains two systematic ways to solve a pair of simultaneous linear equations: the substitution method and the elimination method. Students learn how to rearrange an equation, substitute an expression into the other equation, and eliminate a variable by adding, subtracting, or multiplying equations suitably. They also practise checking solutions and interpreting the ordered pair that satisfies both equations.

Expert · Level 4 · 25 questions

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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  1. 3
  2. 4
  3. 5
  4. 6
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  1. 8
  2. 9
  3. 10
  4. 11
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  1. 3
  2. 4
  3. 5
  4. 6
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  1. 10
  2. 11
  3. 12
  4. \(\frac{172}{13}\)
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  1. \((x,y)=(3,8)\)
  2. \((x,y)=(4,6)\)
  3. \((x,y)=(5,\frac{13}{4})\)
  4. \((x,y)=(6,2)\)
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  1. 23
  2. 24
  3. 25
  4. 26
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  1. 3/8
  2. 8/13
  3. 9/14
  4. 10/15
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  1. (5) rupees
  2. (61/11) rupees
  3. (6) rupees
  4. (7) rupees
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  1. 12:1
  2. 3:2
  3. 2:3
  4. 5:2
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  1. 3
  2. 37/7
  3. 5
  4. 6
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  1. 94
  2. 85
  3. 76
  4. 67
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  1. \(20\)
  2. \(\frac{570}{29}\)
  3. \(19\)
  4. \(22\)
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  1. 4
  2. 5
  3. 6
  4. 7
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  1. 2
  2. 3
  3. 6
  4. 5
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  1. 3
  2. 4
  3. 5
  4. 6
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  1. (1) km/h
  2. (2) km/h
  3. (3) km/h
  4. (4) km/h
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  1. 23 years
  2. 24 years
  3. 25 years
  4. 26 years
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  1. ₹95
  2. ₹100
  3. ₹105
  4. ₹110
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  1. 1
  2. 2
  3. 19/7
  4. 4
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  1. 10
  2. 11
  3. 12
  4. 53/4
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  1. 5
  2. 6
  3. 7
  4. 50/7

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