First add 5 to right side

Next , to cancel the 7, you need to multiply by 7 on both sides
Answer:
See picture
Step-by-step explanation:
Answer:
21n
Step-by-step explanation:
1. triple n = 3(n)
3n
3. multiply 7 = 7(3n) = 21n
Even though you dont have the statements, she flipped the coin and 60% of the time the result of the coin flip was tails, 40% of the flips were heads.
Even though she got tails 20% more than heads, she still has a 50-50% probability of getting heads or tails.
Heads to tails rate was 4:6