求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X

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求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X

求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X

求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
7X-2>3(X-1) (1)
2/5X-1≤9-2/3X (2)
由(1)得
7x-3x>-3+2
x>-1/4
由(2)得 6x-15

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