15h+30<10h-45 math hw help?!?

2015-09-27 6:48 pm

回答 (4)

2015-09-27 7:40 pm
✔ 最佳答案
15h + 30 < 10h - 45
15h - 10h < -45 - 30
5h < - 75
h < - 15
2015-09-27 6:50 pm
sorry Einstein is dead
2015-09-27 7:17 pm
5h < - 75
h < - 15
2015-09-27 6:52 pm
15h-10h=-30-45
5h=-75
h=-75/5
h=15


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