Question

solve
a-5 5
____ = _
a+4 4
a = 0
a = -1
a = -9
a = -40

Answer 1

a-5=5
a+4=4

is it like this?

Answer 2

if yes then for first part: a-5=5
a=5+5
a=10
for second one a+4=4
a=4-4
a=0