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Solve the equation `sqrt(4x + 8) = 6`

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kristenmarieb... | Student, Grade 10 | Valedictorian

Posted April 22, 2013 at 5:25 PM via web

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Solve the equation `sqrt(4x + 8) = 6`

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted April 22, 2013 at 5:35 PM (Answer #1)

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The equation `sqrt(4x + 8) = 6` has to be solved.

`sqrt(4x + 8) = 6`

take the square of both the sides

4x + 8 = 36

=> 4x = 28

=> x = 7

To check, `sqrt(4*7 + 8) = sqrt(28+8) = sqrt 36 = 6`

The solution of `sqrt(4x + 8) = 6` is x = 7

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