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Maths / Linear Equations in Two Variables / Equivalent Equation
QUESTION
 

Which of the following equations is NOT equivalent to 3x-4y=15?

OPTIONS
A. 

-6x+8y=-30

B. 

9x-12y=45

C. 

12x-8y=60

D. 

15x-20y=75

Right Option : C
EXPLANATION
Explain TypeExplanation Content
Text

3x-4y=15

  • Multiply (-2) to both sides: -6x +8y = -30
  • Multiply (+3) to both sides: 9x -12y = 45
  • Multiply (+5) to both sides: 15x - 20y = 75
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