Question

Which of the following are solutions to x + 4 = 3x - 5? Check all that apply.
A. x=-9/2 B. x=9/2 C. x=1/4 D. x=-1/4

Answer 1

Let’s simplify the equation by combing like terms. First, subtract x from both sides to get 4=2x-5. Next add 5 to both sides to get 9=2x. Finally, divide both sides by 2 to get x=9/2, so B.