Question

Solve the equation for x. the square root of the quantity x plus 4 end quantity minus 7 equals 1

Answer 1

x = 60

Explanation:

I hope it helps :)

`√(x+4) -7=1\\\mathrm{Add\:}7\mathrm{\:to\:both\:sides}\\√(x+4)-7+7=1+7\\√(x+4)=8\\\mathrm{Square\:both\:sides}\\\left(√(x+4)\right)^2=8^2\\x+4=64\\x = 64-4\\x = 60`