Answer:
QUESTION 1 :
*Simplify each side of the equation by removing parentheses and combining like terms.
*Use addition or subtraction to isolate the variable term on one side of the equation.
*Use multiplication or division to solve for the variable.
QUESTION 2 :
*It helps you to know whether a question you answered is right or wrong.
* It makes you stand out from other people (especially if they know only one way to solve an equation).