4x - (9 - 3x) = 8x - 1
4x - (9) - -(3x) = 8x - 1
4x - 9 + 3x = 8x - 1
7x - 9 = 8x - 1 (-8x from each side)
-x - 9 = -1 (+9 to each)
-x = 8 (divide -1 from each side)
x = -8
Answer:
18
Step-by-step explanation:
<span>Ariel
deposited 100$ into a bank account. Each Friday she will withdraw 10% of the
money in the account to spend. Ariel thinks her account will be empty after 10
withdrawals. Do you agree? Explain
OK, my initial answer is YES. I agree.
Why? Let me show you the solutions
=> 100 dollars = the money of Ariel in the bank
=> 10% = he withdraw every Friday
10% of 100 is:
=> 100 / 10 = 10 dollars
Thus, after his 10th
withdrawal, his account will be empty.</span>
Yes, that is correct. likewise, the odds of rolling a 1 are
