Answer:
So you can cancel out the 16. See, the -16 is negative, and if we add +16 to it, then it cancels out and is 0. That way, you have x=1.
Step-by-step explanation:
-16x+x=-15
+16x +16
0+x=1
x=1
1. 63.1. 2.22.5 3. 74.3 4. 56.1
-50, -31.5, 44 I think