4x-3+2x=15
2006-11-15 16:51:55 · 10 answers · asked by 123 1 in Science & Mathematics ➔ Mathematics
4x-3+2x=15
4x+2x-3=15
4x+2x=15+3
6x=18
x=18:6
x=3
4*3-3+2*3=15
12-3+6=15
9+6=15
15=15 ...so x=3
2006-11-15 17:04:19 · answer #1 · answered by Anonymous · 0⤊ 0⤋
4x-3+2x=15
+3 +3
6x=18
x=3
2006-11-16 00:54:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋
4x-3+2x=15 add 3 to each side & combine like terms
6x=18 divide by 6
x=3
2006-11-16 01:23:11 · answer #3 · answered by yupchagee 7 · 0⤊ 0⤋
4x-3+2x=15
4x+2x=15+3
6x=18
x=18/6 = 3
GoodLuck
2006-11-16 00:59:41 · answer #4 · answered by Yvonne Mystic 4 · 0⤊ 0⤋
4x+2x=15-3
6x=12
x=2
2006-11-16 00:54:19 · answer #5 · answered by ♣valentine melons♣ 4 · 0⤊ 0⤋
4x-3+2x=15
4x+2x=15+3
6x=18
6x/6=18/6
x=3
2006-11-16 01:03:06 · answer #6 · answered by mich 2 · 0⤊ 0⤋
so if you move things around, add them up, you get 4x+2x=15+3
6x=18
x=3
2006-11-16 00:53:54 · answer #7 · answered by orca1006 2 · 1⤊ 0⤋
Simplify by adding like terms:
6x-3=15
Add 3 to both sides
6x = 18
Divide both sides by 6
x = 3
2006-11-16 01:01:01 · answer #8 · answered by 27ridgeline 3 · 0⤊ 0⤋
6x+3=15
adding 3
6x=18
dividing by 6
x=3
2006-11-16 00:56:52 · answer #9 · answered by raj 7 · 0⤊ 0⤋
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2006-11-16 00:52:50 · answer #10 · answered by sweetsomething2003 2 · 2⤊ 0⤋