Answer: c2 - a2 = b2
Step-by-step explanation: to isolate b2 you have to subtract a2 from both sides to get c2 - a2 = b2
First set up the equation based on the description.

x + 16 = 3x
Use subtraction to get the "x"s on one side of the equation. You can next subtract <span>

x from both sides.
16 = </span>

<span> x
Now you can multiply both sides of the equation by </span>

<span> to solve for x
x = 6</span>
This is your perfect answer
Answer:
3 coins / 7 bills
Step-by-step explanation:
42c/98b --(:2)--> 21c/49b --(:7)--> 3c/7b
OR
42c/98b ---( : 14 = (2*7))--> 3c/7b