before you draw the second card, you put the first one back and reshuffle the deck. What is the probability of getting an ace on both the first and second cards

You move the constant to the right side and change its sign to be 9z= -6 -8. that’s the first step.the second step would be calculate the difference of -8-6 to get -14. you equation should now be 9z=-14the last step is to divide both sides by 9 to get z=-14/9hope this