I need help finding x!
Please show work for both!

Answer:
1. -5
2. -2
Step-by-step explanation:
1. 25-3x=40
-25 -25
-3x=15
/-3 /-3
x=-5
2. 1/3(x-10)=-4
1/3x=-4
x3 x3
x-10=-12
+10 +10
x=-2