點做代數方程??

2010-09-22 1:08 am
可唔可以幫我計下呢條代數方程
要埋步驟同答案THX

10=2-6b+14

回答 (5)

2010-09-22 1:11 am
✔ 最佳答案
10=2-6b+14
10=16-6b
10-16=-6b
-6=-6b
b=1
2010-09-22 6:55 am
10=2-6b+14
10+6b=2-6b+14+6b
10+6b=16
6b=16-10
6b=6
b=1


希望幫到你啦>.<
參考: 我
2010-09-22 3:24 am
10=2-6b+14

I use the method which solve slowly.It is easy to understand.
_____________________
10=2-6b+14
_____________
10-2=2-6b+14-2
8.....=-6b+14
8-14=-6b-14+14
-6.....=-6b
b.......=1
2010-09-22 1:21 am
10=2-6b+14
2-6b=10-14
2-6b=-4
-6b=-4-2
-6b=-6
b=1
參考: myself
2010-09-22 1:17 am
10=2-6b+14

10 = ( 2 + 14 ) - 6b

10 = 16 - 6b

10 - 10 = 16 - 6b - 10

0 = 6 - 6b

0 + 6b = 6 - 6b + 6b

6b = 6

6b ÷ 6 = 6 ÷ 6

b = 1


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