Question

Solve 3x=15.
A. x=5
B.x=12
C. X=45
D. x=3

Answer 1

To solve the equation 3x = 15, we need to isolate the variable x.

Step 1: Divide both sides of the equation by 3 to get rid of the coefficient:

(3x)/3 = 15/3

x = 5

Therefore, the solution to the equation 3x = 15 is x = 5.

The correct answer is option A: x = 5.

Explanation: