Answer:
x = 16
Step-by-step explanation:
This is the answer because:
1) First, minus 4 from +4 and 20
+4 - 4 = 0
20 - 4 = 16
2) Now, you are left with x = 16
Therefore, the answer is x = 16. You can also check by adding 16 + 4 which equals to 20. This is how you solve for the variable by using addition property of equality.
Hope this helps! :D
