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Algebra 1A Name___________________________________ ID: 1 ©` t2f0B1j7r IKOumtGam gS[oOfVtFwXayrXeE SLmLTC].n b pA`lqlw prqifgPh^trsE ^rPeEsqeVrzvpeEdl. Practice 5.4A Date________________ Period____ Solve each system by elimination. 1) -7x + y = -7 -10x + 3 y = -21 2) 7x + 2 y = 12 -2x + 12 y = -16 3) 5x + 10 y = 16 10x + 20 y = 20 4) 12x - 8 y = -26 3x - 2 y = -4 Solve each system by substitution. 5) y = 2x + 17 -3x - 4 y = -13 6) y = -3x + 12 -3x - 3 y = -18 7) y = -2x + 8 4x - y = 4 8) y = 7x + 12 3x + 5 y = -16 9) 8x - 3 y = -7 y=x-1 10) 4x - 2 y = 2 y = 2x - 8 Solve each system by graphing. 11) y = -3x - 4 y = 4x + 3 1 12) y = x - 4 2 y = -3x + 3 y 5 -5 -4 -3 -2 y 4 5 3 4 2 3 1 2 -1 1 2 3 4 1 5 x -1 -5 -4 -3 -2 -1 1 -2 -1 -3 -2 -4 -3 -5 -4 2 3 4 5 x -5 Worksheet by Kuta Software LLC ©K \2F0Z1H7] NK_uvtmar JSToMfNtiwzanrWeR PLbLbCp._ F wAWlklG orXiNgohktvsQ ]rtews_eprPvoeAd_.t k EMkacd^ed uwqi\tEhX dIInJffi`nMiwtCed YAelpgseSbKrIax Q1q.