Section+7.4+-+Using+Multiplication+with+Elimination+(part+2)

Section 7.4 (Continued) Which method should we use? 1.Graphing - never 2.Substitution - when we have a variable by itself 3.Elimination - when we should not use substitution Example: What method should we use??? 2x-3=y Use substitution 2x+3y=-1
 * Make sure the variables are lined up**