1.x = 25 - 8
1.x = 17
x = 17/1
= 17
2.3x - 3 = -9
6x = -9 + 3
6x = -6
x = -6/6
x = -1
3. - 5x + 2 = 12
-15x = 12 - 2
-15x =10
x = - 10/15
x= - 2/3