i dont know what the twelve tabels r so deal with it
No.
Yes.
they used clay tabels
25 percent of 8x = 2x25% of 8x= 25% * 8x= 0.25 * 8x= 2x
-8x - 10 - 20 = -8x - 30
8x + x = 9x
-4
-8x-9+(-18) -8x-9-18 -8x-27 is your simplified answer
Hierarchical and network
7-8x = 21 -8x = 21-7 -8x = 14 x = -1.75
8x is.