Answer:
n = 6
Step-by-step explanation:
Step 1: Write equation
-15 + n = -9
Step 2: Add 15 to both sides
n = 6
Step 3: Check
Plug in n to verify it's a solution.
-15 + 6 = -9
-9 = -9
Answer:
n=6
Step-by-step explanation:
1)Add 15 to both sides
Adding cancels out the 15
2)Adding 15 to -9 gives us 6
then all you're left with is n=6/
