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How to solve (x Λ 2-3x + 2) (3-x) > 0?
The classification of X is discussed
How to solve 2x of 5 + 3x of 8-15 + 420 = x?
420-15= x - 2x/5 - 3x/8
405= 40x/40- 16x/40 - 15x/40
405=9x/40
405* 40=9x
x=1800
How to solve the problem that 3x equals 100 plus x
3x = 100 + x
3x - x = 100
(3 - 1)x = 100
2x = 100
x = 100 ÷ 2
x = 50
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