Question

(a). What operation on both sides of the equation 3x=12 isolates the variable on one side? There may be more than one correct answer.

A. Subtracting 3x
B. Dividing by 3
C. Dividing by 3x
D. Adding 3
E. Multiplying by 3
F. Multiplying by 1/3
G. Dividing by 12

(b). Give the solution of the equation 3x=12.
x=______

Answer 1

C. Dividing by 3x

x = 4

Explanation:

3x = 12

divide both side by 3 we get

3x/3 = 12/3

x = 4

Thus, Option C is correct

-TheUnknownScientist

Answer 2

Dividing by 3x

Explanation:

3x=12

x=4