Question

Select the correct answer.
What is the solution to the equation?
vt + 3 = 12
A.
225
OB.
81
O C.
3
OD.
no solution

Answer 1

Answer:

81

Step-by-step explanation:

$\sqrt{x} + 3 = 12 \\ \\ \sqrt{x} = 12 - 3 \\ \\ \sqrt{x} = 9 \\ \\ {( \sqrt{x} )}^{2} = {(9)}^{2} \\ \\ x = 81$