更新1:
what is the smallest value x could be?
7x – 3 > 17?
回答 (5)
2015-11-27 12:54 am
7X-3>17
+3 +3
7X>20
Divide by 7
X>20/7
+3 +3
7X>20
Divide by 7
X>20/7
2015-11-26 11:38 pm
x > 20/7
2015-11-26 11:11 pm
solve it just like an equation.
7x > 17 + 3
7x > 20
x > 20/7
7x > 17 + 3
7x > 20
x > 20/7
2015-11-30 5:21 pm
7X - 3 + 3 > 17 + 3
7X > 20
7X/7 > 20/7
X > 20/7
7X > 20
7X/7 > 20/7
X > 20/7
2015-11-26 11:37 pm
7x – 3 > 17
7x > 20
x > 20/7
7x > 20
x > 20/7
收錄日期: 2021-04-21 15:26:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151126145333AABrlfC