9n + 18 = 54
Deduct 18 from each side: 9n = 36
Divide both sides by 9: n = 4
Easy, intit?
negative
That equation has no solution. There is no possible number that's equal to 18 more than itself.
36
3(x + 2) = x - 18 3x + 6 = x - 18 3x - x = -18 - 6 2x = -24 x = -12
58
42 + 24 + 18 = 84
3.33.3
24 + 18 + 20 + 22 = 84
8-8x=8x+18 Through simple algebra, this can be manipulated to solve for x: 8=16x+18 -10=16x -5/8=x
-11=18+s/5
12
18