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解方程练习题 姓名:解方程并检验;X+32=76 X-20=7 7X=49 X6=12; X21=65 19X =100; X + 32 = 76 X - 20 = 17 0.6X = 4.8 X 8 = 243X + 6 = 18 16 + 8X = 404X - 45 = 0 65X - 56 = 1002(X + 3)= 10 15(X - 5)= 45 12(X - 1)= 2442X + 28X = 140 19X + X = 40 2X + 8X + X = 1180 5X = 100 25 - 5X = 15