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...Www mathworksheetsgo com on twitter engagingmath i model problems ii practice iii challenge vi answer key web resources systems of linear equations mathwarehouse algebra equation interactive system php all rights reserved commercial use prohibited terms by downloading this file you are agreeing to the described at http downloads graph paper maker free online graphing calculator can solve elimination method or substitution both in solution is point intersection two lines it s best approach when given slope intercept form example y x intersect easily be added subtracted eliminate one variables add together remaining which will have only variable substitute value into original get eliminated notice that if and for xy divide each side second subtract from solved other expression resulting find gives so substituted first simplify...