3x + x < 2x + 12?

👨🏻‍🏫 學術台數學

2008-06-24 3:06 pm

inequalities. . .

回答 (5)

2008-06-24 3:11 pm

✔ 最佳答案

3x + x < 2x+12
3x+x-2x<12
2x<12
x<12/2
x<6

👍 0 👎 1

2008-06-24 11:12 pm

2x < 12
x < 6

👍 0 👎 0

2008-06-24 10:16 pm

3x + x < 2x + 12
4x - 2x < 12
2x < 12
x < 6

👍 0 👎 0

2008-06-24 10:11 pm

3x + x < 2x + 12
4x - 2x < 12
2x < 12
x < 12/2
x < 6

👍 0 👎 0

2008-06-24 10:10 pm

Same as your first question:

3x + x < 2x + 12
4x < 2x + 12
2x < 12
x < 6

👍 0 👎 0

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