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3t = 6, 10y = 130, 240⋅v = 480, (x − 60) + 250 = 400
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11x = 143, 240 : a = 16, (500 − x) − 80 = 300, 3⋅(d − 3) + 4d = 26
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y : 3 = 9, 2x + 4x − 5x = 7, 68s + 32s = 200, 300 − (x − 420) = 200
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4⋅(x + 2) − 10 = 30, 1560 : a = 12, 24a = 3120, (x − 50):25 = 8
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a + 6529 = 6669, 23320 − a = 23200, (39 + x) − 84 = 78, 10 + 29x = 44 − 5x
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2x − 5 = 9, 5x + 4 = 29, 34x − 25 = 70 + 15x, 18 : x = 9 − x
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7x − 21 = 0, x + 170 = 320, 600 + x = 1100, x − 150 = 2000
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3000 − x = 2100, 101x = 1515, 300x = 3600, x : 25 = 140
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4900 : x = 70, (x − 30)⋅20 = 400, (40 + x) − 80 = 90, (x − 80) + 320 = 430
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(600 − x) − 100 = 120, 260 − (x − 450) = 150, (x − 40) : 70 = 10, (50 − x)⋅3 − 5 = 40
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9x = 45, 2x + 7 = 25, 50 − x = 32, (x + 8) : 4 = 6
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7x − 14 = 0, 81 : x = 9, x − 250 = 150, 4(x − 3) = 28
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120 − 5x = 95, x : 6 = 11, 15x = 75, 3x + 4x = 49
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(x − 10) + 60 = 90, 99x = 1188, 360 : x = 45, 5x − 35 = 10
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x + 888 = 900, 2x − 14 = 6, 400 − (x − 20) = 340, (x + 12) − 50 = 2
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6x + 6x = 72, 14x − 7x = 35, 2(x + 5) = 30, x : 9 = 5
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x + 37 = 100, 600 − 2x = 400, (200 − x) + 10 = 50, 5x − 25 = 100
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56 : (x − 2) = 8, (x + 25)⋅3 = 150, 500 + x = 620, 4(x − 5) + 20 = 40
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1000 − x = 987, 8x = 64, (60 − x) : 2 = 5, x − 300 = 120
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2(x − 9) = 22, (x − 50)⋅4 = 120, 700 : 7 = x, (x + 10)⋅6 − 30 = 150