lucesam12
lucesam12 lucesam12
  • 15-07-2020
  • Mathematics
contestada

What is the value of j in the equation? sqrt(j) + sqrt(j) + 14 = 3(sqrt(j)) + 10

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mrseercalf
mrseercalf mrseercalf
  • 23-07-2020

Answer:

j = 16

Step-by-step explanation:

[tex]\sqrt{j} + \sqrt{j} + 14 = 3\sqrt{j} + 10\\2\sqrt{j} + 14 = 3\sqrt{j} + 10\\3\sqrt{j} - 2\sqrt{j} = 14 - 10\\\sqrt{j} = 4\\[/tex]

Squaring both sides gives;

j =  16

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