Ответ:
Пошаговое объяснение: -4x-8(9-2x)+12 = -4x - 72 + 16x + 12 = 12x - 60
3(12- 2,1x) + 0,3x = 36 - 6,3x + 0,3x = 36 - 6x
6(3x-2) + 4(5x - 1) = 18x - 12 + 20x - 4 = 38x - 16
-7(3-4x) + 14(0,5 + 2x) = -21 + 28x + 7 + 28x = 56x - 14
3(2,1x-y)- 2,8(2x - 3y) = 6,3x - 3y - 5,6x + 8,4y = 0,7x + 5,4y
0,4(8x + 7) - 1,6(2x - 3) = 3,2x + 2,8 - 3,2x + 4,8 = 7.6
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Ответ:
Пошаговое объяснение: -4x-8(9-2x)+12 = -4x - 72 + 16x + 12 = 12x - 60
3(12- 2,1x) + 0,3x = 36 - 6,3x + 0,3x = 36 - 6x
6(3x-2) + 4(5x - 1) = 18x - 12 + 20x - 4 = 38x - 16
-7(3-4x) + 14(0,5 + 2x) = -21 + 28x + 7 + 28x = 56x - 14
3(2,1x-y)- 2,8(2x - 3y) = 6,3x - 3y - 5,6x + 8,4y = 0,7x + 5,4y
0,4(8x + 7) - 1,6(2x - 3) = 3,2x + 2,8 - 3,2x + 4,8 = 7.6