michaelaraglep4xgyz michaelaraglep4xgyz

01-03-2018
Mathematics

contestada

when 4 is added to the difference between 5 times a number and 9 the result is greater than 10 * to 4 times the number what's the number

Respuesta :

jcherry99 jcherry99

01-03-2018

5x - 9 > x*10^4
5x - 9 > x * 10000 I hope I'm reading the question correctly.
5x > 10000 x + 9
x > 10000/5 x + 9/5
x > 2000x + 1.8
0 > 1999x + 1.8
- 1.8 > 1999x
- 1.8 / 1999 > x
- 0.0009004 > x

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