persamaan 1/ x+2 = 5

1/x+2 = 5
1/x = 5-2
1/x = 3
1 = 3x
3x-1=0

Jawabannya adalah 3x-1=0

1 / (x + 2) = 5
5 (x + 2) = 1
5x + 10 = 1
5x = 1 - 10
5x = -9
x = -9/5