Question

Which equation has the solution x = 9? Select each correct answer. A. 2x−3=15

Answer 1

I believe the answer would be D

Answer 2

A)

$2x-3=15\\\\2x=18\quad|:2\\\\\boxed{x=9}\qquad\checkmark$

B)

$81x-3=6 \\\\81x=9\quad|:81\\\\\boxed{x=\frac{1}{9}}$

C)

$24-2x=13 \\\\-2x=-11\quad|:(-2)\\\\\boxed{x=\frac{11}{2}}$

D)

$3x + 2 = 25 \\\\3x=23\quad|:3\\\\\boxed{x=\frac{23}{3}}$

E)

$x^3+7=8 \\\\x^3=1\\\\\boxed{x=1}$

F)

$4 + 5x = 18\\\\5x=14\quad|:5\\\\\boxed{x=\frac{14}{5}}$

Only answer A) is correct.