The discount rate, reserve<span> requirements, and open market operations.</span>
X=-3
because
-4x=21-9
-4x= 12 divide both sides
x=-3
8.5 is the same as 8.50, right? So just take the digit in the hundredth place of both decimals and subtract. You'd be doing 0-4 so you can go ahead and borrow a number to make 10-4, which equals 6. So without subtracting 8.5 and 4.64, you can determine that 6 will be in the hundredth place. Hope this helps!
Answer:
<h2>-25b + 101</h2>
Step-by-step explanation:
