Answer:
n = 13
Step-by-step explanation:
10n - 4 = 126
Add 4 to both sides.
10n - 4 + (4) = 126 + (4)
10n = 130
Divide both sides by 10.
10n/10 = 130/10
n = 13
Answer: 13
Step-by-step explanation: 126 + 4 = 130
130 divided by 10 = 13
Hope this helps