2007-11-27 16:35:38 · 7 answers · asked by nolove4math 1 in Science & Mathematics ➔ Mathematics
Thanks Kris I needed an easy explanation
2007-11-27 17:15:39 · update #1
Question should read as:-
(-3/5) x = - 15
(3/5) x = 15
3x = 75
x = 25
2007-11-27 19:09:00 · answer #1 · answered by Como 7 · 1⤊ 1⤋
You divide both sides by -3/5. This is the same as multiplying by the reciprocal - so multiply both sides by -5/3
-3/5x = -15
-5/3 * -3/5x = -15 * -5/3
x =25
2007-11-28 00:39:51 · answer #2 · answered by Kris S 4 · 1⤊ 0⤋
x=25
2007-11-28 00:40:32 · answer #3 · answered by someone else 7 · 1⤊ 0⤋
-3/5x=-15
Divide both sides by -3/5 to get the variable on its own.
x=-15/(-3/5)
Alternatively, if you are lazy/don't have an algebra calculator handly, you can multiply everything by the LCD and then divide from there.
-225/-9
Both methods result in:
x=25
2007-11-28 00:45:50 · answer #4 · answered by Anonymous · 0⤊ 0⤋
It depends on where the parenthesis are
If it's -3/(5x) = -15
then you multiply both sides by 5x
then you get -3 = -75x
then you divide both sides by -75
and x = 1/25 or 0.04
OR
If it's (-3/5)x = -15
then you divide both sides by -3/5
and x = 25
2007-11-28 00:53:33 · answer #5 · answered by Cerra 1 · 0⤊ 1⤋
-3/5x=-15
Crossing:
-3x = -15 * 5
x = -75 : -3
x = 25
Solution: {x belongs to R| x = 25}
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2007-11-28 00:49:31 · answer #6 · answered by aeiou 7 · 0⤊ 1⤋
x = 25...right?
2007-11-28 00:39:43 · answer #7 · answered by Dan in Real Life 6 · 1⤊ 0⤋