Question 201633
(x-1)-(4x+6)=8
x-1-4x-6=8
-3x=8+1+6
-3x=15
x=15/-3
x=-5 ans.

2x-7+4=5(4-9X)
2x-7+4=20-45x
2x+45x=20+7-4
47x=23
x=27/23 ans.

x-2   5
--- = -
x+3   6
5(x+3)=6(x-2)
5x+15=6x-12
5x-6x=-12-15
-x=-27 
x=27 ans.