解一元一次方程的练习题

1 解一元一次方程的练习题 解下列方程 每题 4 分 1 3 x 2 2 5 x 2 2 2 x 3 5 1 x 3 x 1 3 4 5 2x 13 x 22 1 6 7 8 9 10 11 12 2 13 14 15 16 17 x 3 2 x 3 18 19 20 21 22 27 3y 7 2 32y 1 3 5X 1 8 12 3 5 X X 21 6 X X 3 7 3 6X 2 2 16 8 X X 2 0 8X 4 1 6 3 5X 2 10 4 X 0 25X 3 9 X X 10 X 11 2X 7X 12 X 13 X 14 X 15 X 10 16 180 6X 330 17 2 2X 1 10 18 X 0 8X 10 19 15X 2 60 20 4X X 3 15 21 3 4X 1 8 8 6 22 5X X 2 4 23 1 5X X 1 24 6 6X 6X 1 8 练习二 1 12 3 9 x 5 x 4 7 7 x 2 9 10 x 10 9x 3 2 x 1 4 4 13x 26 13 6 75 5x 70 7 2 6x 2 8 8 25x 12 6 300 9 24x 12 132 4 10 56 12x 8 11 2x 4 30 12 12x 11x 79 13 13x 12 x 2 0 15 x 1 3x 2 x 1 16 18x 16x 18 1 50 70 18 4x 9 x 2 200 19 5x 4 5 103 x 486 练习三 1 2x 8 16 2 x 5 10 3 x 7x 8 4 9x 3x 6 5 6x 8 4 6 5x x 9 7 x 8 6x 8 4 5x 20 9 2x 6 12 10 7x 7 14 11 6x 6 0 12 5x 6 11 13 2x 8 10 14 1 2x 8 4 15 x 5 6 7 16 3x 7 28 17 3x 7 26 18 9x x 16 19 24x x 50 20 6 7x 8 4 30 3x 8 30 5 31 6x 6 12 32 3x 3 1 33 5x 3x 4 34 2x 16 19 35 5x 8 19 36 14 6x 8 37 15 6x 27 38 5 8x 4 39 7x 8 15 40 9 2x 1 41 4 5x 9 42 10 x 8 43 8x 9 17 44 9 6x 14 45 x 9x 4 7 46 2x 9 17 47 8 4x 6 48 6x 7 12 49 7x 9 8 50 x 56 1 51 8 7x 1 52 x 30 12 53 6x 21 21 54 6x 3 6 55 9x 18 56 4x 18 13 57 5x 9 11 58 6 2x 11 59 x 4 8 23 60 7x 12 8 61 X 5 7 2 15 62 15 5X 2X 18 62 3X 0 7 5 6 63 3 5 2 4 2 x 64 26 1 5 2x 65 0 5 16 16 0 2 4x 66 9 25 X 0 403 67 16 9 X 0 3 68 X 0 5 2 6 69 x 13 33 70 3 5x 80 71 1 8 6x 54 72 6 7x 60 3 6 7 73 9 4x 40 74 0 2x 0 4 0 5 3 7 75 9 4x 0 4x 16 2 76 12 4x 20 77 1 3 x 5 6 x 1 4 78 12 x 34 x 1 79 18x 14 x 12 80 23 x 5 14 14 81 12 34 x 5