2007-11-04 11:58:42 · 7 answers · asked by madison n 1 in Science & Mathematics ➔ Mathematics
2x + 15 = 43 - 5x
2x + 5x = 43 - 15
7x = 28
x = 4
2007-11-04 12:01:29 · answer #1 · answered by -eR!c- 2 · 0⤊ 0⤋
2x+15=43-5x
2x+5x =43-15
7x = 28
x = 4
2007-11-04 12:01:20 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
x=4
2007-11-04 12:05:56 · answer #3 · answered by mine 5 · 0⤊ 0⤋
I understand you are just looking for the answers, but how do you expect to learn if you don't learn the process of how to do it? Since someone has already given you the answer, please do yourself a favor and study how he got that answer. It's the correct answer, and he gave you the written explanation of how he got that answer. That way, the next time, you don't have to post this type of question and you can do it yourself.
2007-11-04 12:03:14 · answer #4 · answered by Lady Raven 4 · 0⤊ 0⤋
x=4....
2x+15=43-5x
- 15 -15
____________
2x=28-5x
+5x +5x
____________
7x=28
--- ----- < divide
7 7
x=4
hope this helps
2007-11-04 12:04:50 · answer #5 · answered by sarsar 1 · 0⤊ 0⤋
the answer is four. =)
you have to isolate x by itself.
hopefully you won't be taking the SAT/ACT anytime soon...
2007-11-04 12:06:03 · answer #6 · answered by Kam 2 · 0⤊ 0⤋
x=4
first you want to isolate the x and then solve for it
2007-11-04 12:06:35 · answer #7 · answered by lovelyx3 2 · 0⤊ 0⤋