4(x-1)=3(x+3)-(x-9)?????
回答 (5)
2007-05-27 6:56 am
Solution 解
4(x-1)=3(x+3)-(x-9)
4x-4=3x+9-x+9 <--(1) Exapnd展開 4(x+1) and和 3(x+3) (2) -(-)=+
4x-3x+x=4+9+9 <--Group the like terms(同類項).
2x=22 <--以一些簡單的算術得出2x=22的等式
x=11 <--Finally, we obtain the answer. The value of x (x的值) is 11.
4(x-1)=3(x+3)-(x-9)
4x-4=3x+9-x+9 <--(1) Exapnd展開 4(x+1) and和 3(x+3) (2) -(-)=+
4x-3x+x=4+9+9 <--Group the like terms(同類項).
2x=22 <--以一些簡單的算術得出2x=22的等式
x=11 <--Finally, we obtain the answer. The value of x (x的值) is 11.
參考: myself
2007-05-27 6:54 am
4x-4=3x+9-x+9
4x-3x+x=9+9+4
2x=22
x=11
4x-3x+x=9+9+4
2x=22
x=11
2007-05-27 6:50 am
4(x-1)=3(x+3)-(x-9)
4x-4=3x+9-x+9
2x=22
x=11
4x-4=3x+9-x+9
2x=22
x=11
收錄日期: 2021-04-12 19:49:45
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