3a-5x a= - 1/3 and x=1 2/5?

0 ⤊

2007-05-09 14:01:23 · 3 answers · asked by ranj3_8 1 in Science & Mathematics ➔ Mathematics

= 3 x (-1/3) - 5 x (7/5)
= - 1 - 7
= - 8

2007-05-10 01:27:04 · answer #1 · answered by Como 7 · 0⤊ 0⤋

3(-1/3)-5(2/5) =
-1-2= -3

2007-05-09 22:09:51 · answer #2 · answered by Luke M 1 · 0⤊ 0⤋

3a-5xa=-1/3
x=1 2/5
x=7/5
3a-5xa=-1/3
3a-5(7/5)a=-1/3
3a-7a=-1/3
-4a=-1/3
-a=(-1/3)/4
-a=-4/3
a=4/3

2007-05-09 22:42:20 · answer #3 · answered by sam 3 · 0⤊ 0⤋