2006-12-03 09:59:41 · 12 answers · asked by pvamu19 1 in Science & Mathematics ➔ Mathematics
7+9x+x=2x-9
7+10x=2x-9
8x=-16
x=-2
2006-12-04 16:12:39 · answer #1 · answered by arpita 5 · 0⤊ 0⤋
7 + 9x + x = 2x - 9. Subtract 2x and 7 from each side: 7 - 7 + 9x + x - 2x = 2x - 2x - 9 - 7. Combine the terms: 8x = -16. Divide by 8: x = -2.
2006-12-03 18:02:41 · answer #2 · answered by Amy F 5 · 0⤊ 0⤋
7+9x+x =2x-9
7+10x=2x-9
10x-2x=-9-7
8x=-16
x=-16/8
x=-2
so the x=-2 answer is -2
2006-12-04 12:15:53 · answer #3 · answered by Hemali 2 · 0⤊ 0⤋
X= -2
2006-12-03 18:05:37 · answer #4 · answered by READER 1 5 · 0⤊ 0⤋
7+9x+x =2x-9 subtract 2x from each side
8x+7=-9 subtract 7 from each side
8x=-16 divide by 8
x=-2
2006-12-03 18:02:30 · answer #5 · answered by yupchagee 7 · 0⤊ 0⤋
1. 7+9x+x =2x-9
2. 7+10x=2x-9
3. 10x-2x=-7-9
4. 8x=-16
5. x=-16/8
6. x=-2
2006-12-03 18:11:36 · answer #6 · answered by Akshi . 1 · 0⤊ 0⤋
x=-2
2006-12-03 18:10:19 · answer #7 · answered by Daniel J 1 · 0⤊ 0⤋
7 + 9 = 2x - 9x - x
16 = -8x
2 = -x
x = -2
2006-12-04 03:02:14 · answer #8 · answered by mad_integer 3 · 0⤊ 0⤋
7+9x+x = 2x-9
10x = 2x -16
8x = -16
x = -2
₢
2006-12-03 18:13:59 · answer #9 · answered by Luiz S 7 · 0⤊ 0⤋
7+10x=2x-9
7+8x= -9
8x= -16
x= -2
2006-12-03 20:50:16 · answer #10 · answered by ♥KiYa♥ 3 · 0⤊ 0⤋