Answer:
Using expansion
a(4x-10)=4ax-10a
Now we substitute
4ax-10a=24x+5b
4ax -24x=5b+10a
4x(a-6)=5(b+2a)
a-6=0
a=6
send 6 into the equation
4(6)-24=5(b+2(6)
24-24=5(b+12)
0=5b+60
5b=-60
divide through by five
b=-12
