Answer:n=5
Step-by-step explanation:
7n-4=31
7n=31+4
7n=35
divide both sides with 7
n=5
Answer:
5
Step-by-step explanation:
1. Get the variable by itself by adding 4 to both sides
7n-4=31
+4 +4
7n=35
2. Divide both sides by 7
7n=35
7n/7 = 35/7
3. Get the answer
n=5