[tex] \frac{a - 4}{5} = 12 \\ a = (12 \times 5) + 4 \\ a = 64[/tex]
[tex] \frac{6 + z}{10} = - 2 \\ z = ( - 2 \times 10) - 6 \\ z = - 26[/tex]
[tex] \frac{a + 4}{3} = 12 \\ a = (12 \times 3) - 4 \\ a = 32[/tex]
[tex] \frac{x - 14}{ - 5} = 12 \\ x = (12 \times - 5) + 14 \\ x = - 46[/tex]