Divide them and youll get your answer
So 8x+4+4x+8=15x-9
Combine like terms.
12x+12=15x-9
Add 9 to both sides.
12x+21=15x
Subtract 12 from both sides.
21=3x
Divide both sides by 3.
x=7
Now plug in 7 for x in 8x+4.
8(7)+4
56+4
=60
<span>D/5 = 4
Multiply 5 on both sides
Final Answer: D = 20</span>
There are 6 different ways:
23,598
23,958
25,398
25,938
29,538
29,358