A + 9 = 21 A = 21 - 9 A = 12
0.5x=18 x=36
-30x=6.3 x=-.21
5
3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.
A + 9 = 21 A = 21 - 9 A = 12
-9
32
0.5x=18 x=36
-30x=6.3 x=-.21
5
3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.
-21 = 9a - 15 - 3a -6 = 6a -1 = a
depends what 'a' =
This is the same as: 13-2b = 21 -2b = 21-13 -2b = 8 b = -4
-21
3m-5 = 7-21 3m = 7-21+5 3m = -9 m = -3