I need some help with pre algebra?

Lilly Smith

New member
8: 9p - 10 - 2p = 11
3

6

14


9: 7m + 9 = 5m - 11
-10

-8

7.5


10: (2/9)x + 3 = 17
36

63

93


11: (3/5)x = 33
99

33

55


12: -12x - 5x = 4 - 2x
-4/15

4/15

-4


13: (2/3)x + 2 = 30
24

-24

42


14: 3x + 9 = 17x + 9
0

-9/14

-1/2


15: (2/9)a = 18
27

81

63


16: -18x = 3 + 3x
-3

-7

-1/7


17: 33x + 3 = 11x + 3
-7

0

22


18: (4/7)n = 28
16

0

49


19: 4 - 2x = 6 + 19x
-1/7

-2/21

-7


20: 51x + 98x + 2 = 196x + 2
0


I don't get this at all. But could you please help :]
 
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