2006-09-27 04:10:45 · 13 answers · asked by ppgooih 1 in Science & Mathematics ➔ Mathematics
3x+1=13
3x=13-1
3x=12
x=12/3
x=4
2006-09-27 07:25:43 · answer #1 · answered by Nikki 2 · 0⤊ 0⤋
3x + 1 = 13
3x = 13 - 1
3x = 12
x = 12 / 3
x = 4
2006-09-27 12:45:43 · answer #2 · answered by bhavishyathi 3 · 0⤊ 0⤋
3x+1=13
3x=13-1 (subtracting 1 on each side)
3x=12 (13-1=12)
x=12/3 (dividing by 3 on both sides)
x=4
solution for x is 4.
2006-09-27 11:32:21 · answer #3 · answered by ssrirag2001 2 · 0⤊ 0⤋
3X+1=13
-1= 12
3x=12
/3 /3
x=4
2006-09-27 13:03:15 · answer #4 · answered by CSI 2 · 0⤊ 0⤋
3x+1=13
3x=13-1
3x=12
x=12/3
x=4
2006-09-27 13:27:30 · answer #5 · answered by F-A 2 · 0⤊ 0⤋
3x+1=13
3x=13-1=12
x=12/3
x=4
2006-09-27 11:20:20 · answer #6 · answered by Anonymous · 0⤊ 1⤋
3x+1=13
golden rule: do to a side, do to the other side:
3x+1-1=13-1
3x=12
3x/3=12/3
x=4
2006-09-27 11:45:27 · answer #7 · answered by Lin 2 · 0⤊ 0⤋
3x+1=13
3x=13-1
3x=12
x=12/3
x=4
2006-09-27 11:19:08 · answer #8 · answered by Krazy K 5 · 0⤊ 1⤋
3x+1=13
3x=12
x=12/3
x=4
2006-09-27 11:17:37 · answer #9 · answered by noesis 2 · 0⤊ 1⤋
3x=12
x=4
2006-09-27 11:32:05 · answer #10 · answered by locuaz 7 · 0⤊ 0⤋