I hope this is what it’s asking for…
13x+4+?=50
13x+?=46
Answer:
unknown length: 46 - 13x
Step-by-step explanation:
Let the unknown side be s.
s + 13x + 4 = 50
s = 50 - 13x - 4
s = 46 - 13x
6.0m questions
7.8m answers