Question

Solve the equation for x. the square root of the quantity x plus 4 end quantity minus 7 equals 1 x = 4 x = 12 x = 60 x = 68

Answer 1

x = 60

Explanation:

Given

`√(x+4)` - 7 = 1 ( add 7 to both sides )

`√(x+4)` = 8 ( square both sides )

(
`√(x+4)` )² = 8² , that is

x + 4 = 64 ( subtract 4 from both sides )

x = 60