Using the Steps for Solving an Equation, choose the next operation for solving the given equation 1.

Question:

Using the Steps for Solving an Equation, choose the next operation for solving the given equation
1. 3x + 2x = -x - 4
a. Add 4 to both sides.
b. Subtract 2x from both sides.
c. Add 3x and 2x.
2. 9 - 5x = 15
a. Divide both sides by -5.
b. Subtract 15 from both sides.
c. Subtract 9 from both sides.