Question

Care este rezultatul ecuatiei -0,16x=3,2?

Answer 1

-0,16x=3,2.. Deci vom incepe asa, prin verificare: 3,2÷(-0,16)= -20.. Deci x=-20.. Ecuatia va arata asa: -0,16×(-20)=3,2.

Answer 2

-0,16x=3,2

-0,16= -$\frac{16}{100}$= -$\frac{4}{25}$

3,2= $\frac{32}{10}$= $\frac{16}{5}$

-$\frac{4}{25}$x= $\frac{16}{5}$

x= $\frac{16}{5}$:(- $\frac{4}{25}$)

x= $\frac{16}{5}$· (-$\frac{25}{4}$)

x=4·(-5)=-20