How do you solve the equation #3+5sqrtn=18#?

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Answer 1 · 2017-01-31T23:39:02

#n=9#

Solve #3+5sqrtn=18#

Subtract #3# from both sides.

#5sqrtn=18-3#

#5sqrtn=15#

Square both sides.

#5^2(sqrtn)^2=15^2#

Simplify.

#25n=225#

Divide both sides by #25#.

#n=9#