(12x+16.8)*(-13.1)=0

Question

(12x+16.8)*(-13.1)=0

Answer 1

-13.1*12x-13.1*16.8=0
-157.2x-220.08=0
-157.2x=220.08
x=-220.08:157.2
x=-1.4

Answer 2

Х=-1,4 ................

Comments

-157,2х-220.08=0
-157,2х= 220,08
Х=-1,4

---

Надеюсь понятно :)