How do you solve $sqrt(x+8)=5$ ?

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Answer 1 · 2017-09-10T01:33:11

$x=17$

Square both sides to cancel out the square root

$sqrt(x+8)^2=5^2$

$x+8=25$

Subtract $8$ from both sides to solve for $x$

$x+8color(red)(-8)=25color(red)(-8)$

$x+0=17$

$x=17$

How do you solve sqrt(x+8)=5sqrt(x+8)=5?