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
2006-10-14 07:51:04 · 3 個解答 · 發問者 Anonymous in 教育與參考 ➔ 小學及中學教育
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
2006-10-14 08:02:25 · answer #1 · answered by lap poon 3 · 0⤊ 0⤋
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 07:56:10 · answer #2 · answered by p 6 · 0⤊ 0⤋
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
2006-10-14 07:55:14 · answer #3 · answered by ? 2 · 0⤊ 0⤋