SOLUTION: Solve for x: {{{sqrt (7x) -sqrt (3x) =4}}}

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Question 1113650: Solve for x:

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39627)   (Show Source): You can put this solution on YOUR website!














or

Answer by ikleyn(52864)   (Show Source): You can put this solution on YOUR website!
.
 - = 


. = 


 =  = rationalize the fraction = . =  =  =   ====>


x =  =  =  = 19.165 (approximately).


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