English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

5x+5=7x+13

2007-04-08 21:02:10 · 6 answers · asked by stephen l 1 in Education & Reference Homework Help

6 answers

Yes.
5x + 5 = 7x + 13
5x - 7x = 13 - 5
-2x = 8
-x = 8/2 = 4
Therefore x = -4

2007-04-08 21:09:40 · answer #1 · answered by Tiger Tracks 6 · 1 0

5x + 5 = 7x + 13
5x - 7x = -5 + 13
-12x = 8
-x = 8/12
x = (-2/3)

2007-04-09 05:22:16 · answer #2 · answered by Xia0Jubie 1 · 0 0

[5x + 5 -5 = 7x + 13 -5] =

5x = 7x + 8.

[5x - 7x = 8] =

-2x = 8.

[-2x/-2 = 8/(-2)] =

x = -4

2007-04-09 04:12:38 · answer #3 · answered by Mark 6 · 0 0

5x+5=7x+13
5x=7x+8
-12x=8
x=8/-12
x= -4

2007-04-09 04:12:13 · answer #4 · answered by chattylc 3 · 0 1

I can solve it too.

Oh, you want an answer?

5 = 2x + 13

x = (5-13)/2

--> x = -4

2007-04-09 04:12:58 · answer #5 · answered by Stuey 4 · 0 0

5x+5=7x+13
5x+5-5=7x+13-5
5x-7x=7x-7x+8
-2x=8
-2x/-2=8/-2
x=-4

2007-04-09 04:09:57 · answer #6 · answered by Dave aka Spider Monkey 7 · 1 1

fedest.com, questions and answers