題:
解方程!!!
2006-10-14 11:51:04 UTC
1. 43-13p+17=2p

2. 9b-1=3b+11

3. 8-2x=4x-10

4. 46-3y=22-9y

5. 15+13x-39=10x-16-7x
三 答案:
lap poon
2006-10-14 12:02:25 UTC
1. 43-13p+17=2p

43+17=13p+2p

60=15p

15p=60

p=60/15

p=4



2. 9b-1=3b+11

9b-3b=11+1

6b=12

b=2



3. 8-2x=4x-10

8+10=4x+2x

18=6x

x=18/3

x=6



4. 46-3y=22-9y

9y-3y=22-46

6y=-24

y=-4



5. 15+13x-39=10x-16-7x

13x-10x+7x=-16-15+39

10x=40

x=40/10

x=4
p
2006-10-14 11:56:10 UTC
1.

43-13p+17=2p

2p+13p=43+17

15p=60

p=15



I will give you a chance to do the rest as exercises.
?
2006-10-14 11:55:14 UTC
43-13p+17=2p

26=-1p

p=-26



2006-10-14 11:56:58 補充：

9b-1=3b 116b=12b=28-2x=4x-1018=2xx=9


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