Question 176250
1. 7 - 3(5 - x) = 5(x - 4) 
7 - 15 + 3x = 5x - 20
- 2x  =  - 12
x  =  6


2. 1/3x - 3 = 1/2x

2x - 18 = 3x
- x  =  18
x  =  - 18