Question

$\frac{a-1}{2} \left$=$\frac{5a+10}{8}$

Answer 1

==> (a - 1)/ 2 =( 5a +10)/8

==> a - 1 = (5a + 10 ) / 4

==> 4a - 4 = 5a + 10

==> 4a - 5a = 10 + 4

==> -a = 14

==> a = -14