2007-06-29 17:57:43 · 14 answers · asked by sittinncat 1 in Science & Mathematics ➔ Mathematics
7 - 3x = 10
7-3x - 7 = 10 - 7
-3x = 3
x = -1 <--- final answer
2007-06-29 18:02:40 · answer #1 · answered by Carlo D 2 · 0⤊ 0⤋
7 = 10 + 3x
3x = - 3
x = -1
2007-06-30 04:43:27 · answer #2 · answered by Como 7 · 0⤊ 0⤋
7-3x = 10
-3x = 10-7
-3x = 3
x = -1
2007-06-30 01:23:44 · answer #3 · answered by candymax 1 · 0⤊ 0⤋
7 - 3x = 10
- 3x = 10 - 7
- 3x = 3
x = 3 / -3
x = -1
2007-07-03 11:31:23 · answer #4 · answered by Jun Agruda 7 · 2⤊ 0⤋
x=-1
2007-06-30 03:13:55 · answer #5 · answered by AKC 1 · 0⤊ 0⤋
-3x = 10-7
-3x = 3
x = -1
2007-06-30 01:03:07 · answer #6 · answered by Sam 3 · 0⤊ 0⤋
7-3x=10
(subtract 7 from both sides)
-3x=3
-3x/-3=3/-3
x= -1 {final answer}
2007-06-30 01:46:55 · answer #7 · answered by βread⊆ℜumbs™ 5 · 0⤊ 0⤋
7 - 3x = 10
7 - 10 = 3x
x = -1
2007-06-30 01:04:22 · answer #8 · answered by Anonymous · 0⤊ 0⤋
-3x=10-7
-3x=3
x=-1
2007-06-30 01:23:35 · answer #9 · answered by tinel 1 · 0⤊ 0⤋
7-3x = 10
subtract 7 from both sides
-3x = 3
divide both sides by -3
-3x / 3 = 3 / 3
you get
-x = 1
therefoe x = -1 (by multiplying both sides by -1)
2007-06-30 01:53:39 · answer #10 · answered by Anonymous · 0⤊ 0⤋