sham_truth

2007-12-31 4:18 am

大家一齊睇下呢題數對不對
4y+3y/2=63
3y/2=63-4y
3y=126-8y
11y=126
y=126/11或11.45係某某某某某某某仁兄做既數架,幾勁ar,大家幫幫忙『檢查』清楚喎!條數係
4y + 3y / 2 = 63
死la放5到大添,真pity

回答 (2)

2007-12-31 8:49 pm

✔ 最佳答案

the equation should be ( 4y + 3y ) / 2 = 63
the ( ) mark is missed

( 4y + 3y ) / 2 = 63
7y / 2 = 63
7y = 126
y = 18

understand?
Good luck

參考: 自己

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2007-12-31 4:32 am

但...我計到係18
4y+3y/2=63
4y+3y=63x2
7y=126
y=126/7
y=18

我計到係咁咋
唔知岩唔岩架...

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