2007-12-18 00:26:10 · 17 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
3x - x = 3 + 3
2x = 6
x = 3
2007-12-21 20:26:54 · answer #1 · answered by Como 7 · 0⤊ 0⤋
x=3
2007-12-18 08:29:53 · answer #2 · answered by luckylynne 3 · 0⤊ 0⤋
3x-3=x+3
-x
2x-3=3
+3
2x=6
/2
x=3
2007-12-18 08:34:42 · answer #3 · answered by Brooke 2 · 0⤊ 0⤋
3x - 3 = x + 3
3x - x - 3 = x - x + 3
2x - 3 + 3 = 3 + 3
2x = 6
2x / 2 = 6 / 2
x = 3
2007-12-18 08:36:32 · answer #4 · answered by Rayan Ghazi Ahmed 4 · 0⤊ 0⤋
3x-3 =x+3
3x-x = 6
2x=6
x=3
proof I replace x by 3 and 3*3-3=3+3=6
2007-12-18 08:44:25 · answer #5 · answered by maussy 7 · 0⤊ 0⤋
3x-3=x+3
3x-x = 3+3
2x = 6
x = 6/2
x = 3
2007-12-18 08:36:44 · answer #6 · answered by kavya n 3 · 0⤊ 0⤋
3x - 3 = x + 3
3x = x + 3 + 3
3x = x + 6
3x - x = 6
2x = 6
x = 6/2
x = 3
2007-12-18 08:53:46 · answer #7 · answered by An ESL Learner 7 · 0⤊ 0⤋
3x - 3 = x + 3
Shift the x over.
3x - x = 3 + 3
Simplify...
2x = 6
From here,
2x = 6
x = 6/2 = 3
Hence x = 3.
I hope this has helped you =).
2007-12-18 08:47:21 · answer #8 · answered by Answerer 2 · 0⤊ 0⤋
3x-3=x+3
3x-x=3+3
2x=6
x=6/2
x=3
2007-12-22 03:58:07 · answer #9 · answered by Santiago 3 · 0⤊ 0⤋
3x-3=x+3
3x-x=3+3
2x=6
x=6/2
x=3
2007-12-18 08:40:14 · answer #10 · answered by Siva 5 · 0⤊ 0⤋