How do you solve the equation: $sqrt(r+5)=11$ ?

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Answer 1 · 2015-07-16T08:03:24

$color(blue)(r=116$

$sqrt(r+5) = 11$

Squaring both sides

$(sqrt(r+5))^2 = 11^2$

$r+5=121$

$color(blue)(r=116$

How do you solve the equation: sqrt(r+5)=11sqrt(r+5)=11?