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OpenStudy (anonymous):
Help solve substitutions and eliminations {4.5x-2y=-12.5 {3.25x-y = 0.75 Ans: y=0.75-3.25 -4.5-2(0.75-3.25)=13.5 -4.5- 1.5-6.4 = 13.5 This is how far I've gotten. . . Solve Elimination 5x+4y =12 3x-3y=18 Ans: 5x+4x = 12 3x-3y = 18 15x+12x=36 15x-15x = 90
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