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You are given two equations which are both true, and you are asked to solve for both x and y. You plan to solve this set of equ...Asked by lee
you are given two equations which are both true , and yiu are asked to solve for both x and y. you plane to solve this set of eqiutions by substituting part of one equation into the other so you end up with an equation that contains only x's or y's. the first thing you do in this procedure is what?