To solve the equation $-3x=12$−3x=12, you would first need to divide both sides by what number?
To solve the equation $\frac{1}{4}x=8$14x=8, you would first need to multiply both sides by what number?
Solve the following equation: $-x-7=7$−x−7=7
Solve the following equation: $9x-45=4x$9x−45=4x