2007-06-22 05:27:25 · 6 answers · asked by LASHANDA F 1 in Science & Mathematics ➔ Mathematics
2x-6-3x-15=3x-6-7
=>-x-21=3x-13
=>-8=4x
=>x= -2
so
x=-2
2007-06-26 04:46:30 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Answer:
2(x - 3) - 3(x + 5) = 3(x - 2) - 7
2x - 6 - 3x -15 = 3x - 6 - 7
2x - 3x - 3x = - 6 - 7 + 6 + 15
-4x = 8
x = 8/(-4)
x = -2
Proof:
2(-2 - 3) - 3(-2 + 5) = 3(-2 - 2) - 7
- 4 - 6 + 6 - 15 = - 6 - 6 - 7
-19 = -19
2007-06-26 02:27:50 · answer #2 · answered by Jun Agruda 7 · 2⤊ 0⤋
-2
2007-06-22 12:37:45 · answer #3 · answered by Rayn 1 · 0⤊ 0⤋
2x - 6 -3x - 15 = 3x-6-7
-x-3x = -13 + 21
-4x = 8
x = -2
2007-06-22 12:34:19 · answer #4 · answered by Buttons 3 · 0⤊ 0⤋
2x - 6 - 3x - 15 = 3x - 6 - 7
- 4x = 8
x = - 2
2007-06-24 05:29:05 · answer #5 · answered by Como 7 · 0⤊ 0⤋
2x-6-3x-15=3x-6-7
-x-21=3x-13
-8=4x
x= -2
2007-06-22 12:35:40 · answer #6 · answered by bte666 1 · 0⤊ 0⤋