0.005x - 0.07=0.02x + 0.0032?

1 ⤊

0.005x - 0.07=0.02x + 0.0032?

2006-10-23 14:28:46 · 4 answers · asked by martin 1 in Science & Mathematics ➔ Mathematics

4 answers

.005x-.07=.02x+.0032
-.015x=.0732
x= - 4.88

2006-10-23 14:30:55 · answer #1 · answered by D 3 · 0⤊ 0⤋

.005x - .07 = .02x + .0032

Multiply everything by 10000

50x - 700 = 200x + 32

divide everything by 2

25x - 350 = 100x + 16

-75x = 366

x = (-366/75)

x = -4.88

2006-10-23 23:33:28 · answer #2 · answered by Sherman81 6 · 1⤊ 0⤋

Sherman 81 has made things simpler
a better approach than others according to me

2006-10-24 06:02:47 · answer #3 · answered by grandpa 4 · 0⤊ 0⤋

0.005x-0.02x = 0.0032 + 0.07

-0.015x = 0.0732

x = 0.0732 / -0.015x = -4.88

2006-10-23 21:40:44 · answer #4 · answered by Melia 2 · 0⤊ 0⤋