Given:
[tex] - 7 = \frac{z}{ - 6} [/tex]
Taking -6 to the left side, we get in multiplication,
[tex] = > - 7 \times - 6 = z[/tex]
Now directly multiply and neglect the minus sign, as in multiplication, [tex] -sign \times -sign = +sign [/tex]
[tex] = > 42 = z[/tex]
So, value of z is 42
