2007-07-27 09:48:51 · 10 answers · asked by lavelle9172000 1 in Science & Mathematics ➔ Mathematics
multiply both sides by 5
3x + 11 = 5x + 15
-2x - 4
x = -2
2007-07-27 09:51:40 · answer #1 · answered by skipper 7 · 1⤊ 0⤋
Make both sides a fraction. So on the left you have 3x + 11 over 5. On the right x + 3 over 1. Multiply diagonally and get
3x + 11 = 5x + 15
-4 = 2x
x = -2
2007-07-27 09:52:21 · answer #2 · answered by Dan 2 · 0⤊ 0⤋
(3x+11)/5=x+3-----
x= -2
(3)*(-2)+11=5/5=1=-2+3=1 1=1
2007-07-27 10:01:09 · answer #3 · answered by poweret30002 1 · 0⤊ 0⤋
3x + 11 = 5x + 15
- 4 = 2x
x = - 2
2007-07-27 11:10:58 · answer #4 · answered by Como 7 · 0⤊ 0⤋
(3x+11)/5=x+3
3x + 11 = 5x + 15
2x = - 4
x = - 2
2007-07-27 09:53:19 · answer #5 · answered by Swamy 7 · 0⤊ 0⤋
-2
2007-07-27 10:02:30 · answer #6 · answered by cocolovespurple 2 · 0⤊ 0⤋
-2
2007-07-27 09:51:45 · answer #7 · answered by Julie L 2 · 0⤊ 0⤋
X + 6Y = -eleven.5 X = -eleven.5 - 6Y 3(-eleven.5 - 6Y) -5Y = 23 -34.5 - 18Y - 5Y = 23 -23Y = fifty seven.5 -23Y/-23 = fifty seven.5/-23 Y = -2.5 2X + 6(-2.5) = -eleven.5 2X - 15 = -eleven.5 2X = 3.5 X = one million.seventy 5 2(one million.seventy 5) + 6(-2.5) = -eleven.5 3.5 - 15 = -eleven.5
2016-11-10 09:54:12 · answer #8 · answered by ? 4 · 0⤊ 0⤋
just plug any number in for X
and to make sure it is right
put the number back in
2007-07-27 09:56:28 · answer #9 · answered by Anonymous · 0⤊ 0⤋
I do believe that x=-4.....but of course, I could be wrong.
2007-07-27 09:52:20 · answer #10 · answered by Y-Knot 3 · 0⤊ 2⤋