Answer:
x=13
Step-by-step explanation:
1. divide both sides by 3
2. simplify: 4x-7=45
3. add 7 to both sides
4. 4x=52
5. divide both sides by 4
6. x=13
Below sea level would mean in the negatives
So I would say -3
Answer:
no there not
Step-by-step explanation:
Answer:
C.) Solve for the varible
Step-by-step explanation:
As there is currently nothing to do other than one step, the next step would be to solve 81/9 for 9, getting the final answer of a=9.
13x + 13 + 2x = 2
15x + 13 = 2
15x = -11