80 points please help!! Solve this system of equations for x using the addition method. 4x+3y=22
3x-2y=8

Nine more than four times a number is the same as one less than twice the number. find the number?

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

Answer! if you don’t mind, can you explain