3x-3=8x-16
Step 1: Find the biggest number without a variable (ex. "x")
Step 2: 3x -3=8x-16
+16
Step 3: 3x + 13 = 8x
-3x
Step 4: 13 = 5x (divide by 5 to get x by itself)
Step 5: 13/5 = x or 2.6
+60 
