Maths / Linear Equations in Two Variables / Equivalent Equation

QUESTION
 

Which of the following equations is not equivalent to 5x+4y=9?

OPTIONS
A. 

15x+12y=27

B. 

6x+7y=8

C. 

25x+20y=45

D. 

30x+24y=54

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

5x+4y=9

  • Multiply (+3) to both sides: 15x +12y = 27
  • Multiply (+5) to both sides: 25x + 20y = 45
  • Multiply (+6) to both sides: 30x + 24y = 54
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