How do you solve? -5x+7y=12 -5+3y=19

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

In the diagram, bc¯¯¯¯¯∥de¯¯¯¯¯ . what is ce ? enter your answer in the box.