$\"\"$

The equation is $\"\"$ .

3 times what number equals 12 ? (Write the equation as a question)

The question is A.

The solution is 4. $\"\"$

Check whether 4 is a solution.

$\"\"$ (Write the equation)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Multiply: $\"\"$ )

$\"\"$ $\"\"$ is the solution of the equation. $\"\"$

$\"\"$ $\"\"$ is the solution of the equation.