Question

9X = -9 ? / 25X = 0 ? / 35X = - 105? / 4X = 1? / 36X = 12? / 84 = 6 X?

Answer 1

9x=-9
x=-9/9
x=-1

25x=0
x=0/25
x=0

35x=-105
x=-105/35
x=-3

4x=1
x=1/4

36x=12
x=12/36

84=6x
-6x=-84
x=-84/-6
x=-14