3/x+4=5/x x=?
2007-10-08 05:06:57 · 14 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
3/x+4=5/x x=? the possible answers are 10, 6, 0, -6, -10
2007-10-08 05:18:14 · update #1
3/x + 4 = 5/x
Multiply through by x.
3 + 4x = 5
4x = 5 -3
4x = 2
x = 1/2
3/(1/2) = 6
5/(1/2) = 10
6+ 4 =10
3/(1/2) + 4 = 5/(1/2)
2007-10-08 05:13:34 · answer #1 · answered by Edgar Greenberg 5 · 1⤊ 1⤋
X=1/2
2007-10-08 05:12:14 · answer #2 · answered by khallas_boy 2 · 1⤊ 1⤋
x= 2
2007-10-08 05:09:43 · answer #3 · answered by xaverr cy 1 · 0⤊ 2⤋
x = 1/2
2007-10-08 05:15:03 · answer #4 · answered by Anonymous · 1⤊ 1⤋
3/x+4=5/x
=> 3 + 4x = 5
=> 4x = 2
=> x = 1/2
2007-10-08 05:13:12 · answer #5 · answered by Madhukar 7 · 1⤊ 1⤋
Now in order to answer this you need a common denominator. I see you already have x as the common denominator for 3/x and 5/x. Therefore, the convenient thing to do would be to change the 4 into something over x. Now, 4x/x = 4.
Therefore, you have 3/x + 4x/x = 5/x
You can cancel the denominator now since it's common to all three fractions.
So now you have
3+4x = 5
Subtract 3 from both sides.
Now you have 4x = 2
x = 1/2
2007-10-08 05:12:43 · answer #6 · answered by Fonzieo 1 · 1⤊ 2⤋
X equals point five
or
x=.5
3/.5 = 6
4 = 4
5/.5 = 10
6+4=10
2007-10-08 05:15:31 · answer #7 · answered by questioneer 2 · 1⤊ 1⤋
(3/x + 4 = 5/x)x first multiply everything by x. Then you get 3+4x=5 Subtract 3 from 5 which is 2. and then divide 4 over 2 and u get 2/4 which is then simplified to 1/2. i hope this was helpful. wat grade are you in btw?
2007-10-08 05:12:16 · answer #8 · answered by Anonymous · 0⤊ 1⤋
x(3\x + 4 = 5\x) ---> 3+4x=5 ---> 4x=2 ---> 4x\4 = 2/4 =1/2
2007-10-08 05:16:40 · answer #9 · answered by Anonymous · 1⤊ 1⤋
x-1/2
2007-10-08 05:15:11 · answer #10 · answered by Zenkai 6 · 0⤊ 3⤋