Mathematics Question

2013-09-04 6:50 am
If x is an integer that satisfies the inequality 2/5(4x-1)<x+2 , find the largest possible value of x

回答 (2)

2013-09-04 7:01 am
✔ 最佳答案
2/5(4x-1)<x+2
(8x-2)/5<x+2
8x-2<5x+10
8x-5x<10+2
3x<12
x<4

Since x is an integer, the largest possible value of x is 3.
2013-09-04 7:20 am
同學你好~
下次把 2/5 用括號括住 (2/5)
那就可以確定 (4x-1) 其實在分子位置,那麼大家就可以更準確明白你的問題,可以幫到你~


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