Answer: a.) Combine like terms.
Step-by-step explanation:
When solving equations that involve unknown variables, there are many steps to take to help one solve for the unknown variable. These steps include,
1.) combining like terms so that you can have similar terms on one side of the equation.
2.) Subtracting or adding A term that may be common to both side of the equation so you can be left with simpler terms to deal with
3.) diving or multiplying by a common factor to both sides of the equation so you can have a simpler equation to deal with.
Going by the above conditions and checking With the available options, combining like terms is the feasible step to take among the given options.
