How do you solve sqrt(x-4) - 4=6?

2 Answers
Jan 26, 2016

x=104

Explanation:

sqrt(x-4)-4=6

rarrsqrt(x-4)=6+4=10

Square both sides

rarr(sqrt(x-4))^2=10^2

rarrx-4=100

rarrx=100+4=104

Jan 26, 2016

x = 104

Explanation:

Add 4 to both sides

Hence sqrt(x - 4) = 10

Square both sides:

rarr (sqrt(x - 4 ))^2 = 10^2

So x - 4 = 100 rArr x = 104