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  • 08-09-2018
  • Mathematics
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Vowing
Vowing Vowing
  • 08-09-2018

Given: √(7x-4)=2√(x)

Groups: Square each side: 7x-4=2x

Addition: add 4 to each side: 7x=2x+4

Subtraction: Subtract 2x from both sides: 5x=4

Division: Divide both sides by 5: x=4/5

Answer: 4/5 Option A



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