Answer
The solution is 11
Work Step by Step
-4 +12 =16x -3 - 15x Simplify to both sides
8 = x -3 Add 3 to both sides
8+3=x-3+3 Simplify
11=x
The solution is 11
Check
-4 +12 =16x -3 - 15x
-4 +12 =16$\times$ 11- 3 - 15$\times$ 11
8 = 176 -3 -165 Simplify
8=8