Question

-58x+13=(15-6x)-(28-20x)

x=? x∈/∉ Z ?

Answer 1

$-58x+13=(15-6x)-(28-20x)$

$- 58x + 13 = 15 - 6x - 28 + 20x$

$- 58x + 13 = - 13 + 14x$

$- 58x - 14x = - 13 - 13$

$- 72x = - 26$

$x = \frac{13}{36}$

Answer 2

Răspuns:

-58x+13=15-6x-28+20x

13+28-15=58x-6x+20x

26=72x

x=(26/72)⁽²=13/36=0,36(1)

x∉Z