Question

Ex 7 vr skgesksishsgdhd

Answer 1

Explicație pas cu pas:

7. a)

$\frac{x}{ - 3} = \frac{12}{18} \\ x = \frac{ - 3 \times 12}{18} = > x = - 2$

b)

$\frac{4.5}{y} = \frac{ - 5}{4} \\ y = \frac{4 \times 4.5}{ - 5} = - 4 \times 0.9 \\ y = - 3.6$