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МатематикаВопрос:
20 + 4(2x - 5) = 14x + 12
Ответ:
20 + 8x - 20 = 14x + 12
8x = 14x + 12
-6x = 12
x = -2
8x = 14x + 12
-6x = 12
x = -2
Похожие
- 8x - 5 = x - 40
- 7t + 21 = t - 3
- 9 + 13y = 35 + 26y
- 6x + (3x - 2) = 14
- 8y - (7y - 142) = 51
- (6x + 1) - (3 - 2x) = 14
- (6 - 2x) + 4 = -5x - 3
- 0.6x + 1.8 = 0
- 7 - 0.7x = 0
- 0.3p - 5 = 6 - 0.7p
- 8.31k - 71 = 1.11k + 1
- 9c + 2.65 = 36.85 - 9c
- 5 = -1 - (3 + 9x)
- 9 - (8x - 11) = 12
- 12 = 7x - 9 - (11 - x)
- 11x + 103 = 1 + (12x - 31)
- 7x + 11.9 = 0
- 6x - 0.8 = 3x + 2.2
- (7 - 10x) - (8 - 8x) + (10x + 6)
- 3x - 2 = 6x + 5
- 17(3x - 2) = 17(6x + 5)
- 8x + 3 = 8x + 7
- (3x - 2) / 19 = (6x + 5) / 19
- (2x - 4) + (6x + 1) = 18
- 24 - 2(5x + 4) = 6
- (4 - 8.2x) - (3.8x + 1) = 5
- 12 = -6 + 6(3x - 1.5)
- 4(2 - 3x) + 7(6x + 1) - 9(x)
- 17 - 2(x + 3) + 5(x - 4) - 3(2x - 1)
- 4x + 5.5 = 2x - 2.5
- 2x - (6x + 1) = 9
- 3x - 11.4 = 0
- 2x - (6x + 1) = 9
- 8x - (2x + 4) = 2(3x - 2)
- 5x - (7x + 7) = 0
