{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}
8-3x-x = 12 8-4x = 12 -4x = 12-8 -4x = 4 x = -1
x - 8 = 12 x - 8 + 8 = 12 + 8 x = 20
12*8=96
-12 * * * * * Wrong! -4 minus -8 = -4 + 8 = +4
12/8 * 8 = 96/8 which is, of course, 12 ---------- This is what is really happening. 12/8 * 8/1 the factors 8 cancel and you have 12/1, which, of course, is 12.
-12 - 8 = -20
8 / (8/12) = 8* (12/8) = 12
48 less than 12:= 12 - 8= 4
Perimeter of 12" by 8" = 12+8+12+8 = 40 inches.
8 + 12 = 20
(12 * 8) - (12 + 8) = 96 - 20 = 76
4 + (-12) = 4 - 12 = -8
{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}{5, 5, 8, 8, 12}
-4
-20
8-3x-x = 12 8-4x = 12 -4x = 12-8 -4x = 4 x = -1