I’m failing I’m in 9th Grade, I’m doing several step equations and I’m not fully understanding, if anyone could help me solve this equation, Thank you!! Solve the equation below, combining like terms first

9d+1d-3d=14

To solve this I need to combing the like terms first... I think .

Also if you do help me, which thank you to anyone who does, I need to know how you done it bc I have to show work on paper.

Again thank you to anyone who helps me. I’m just trying to make it through life at this point.

Happy Halloween as well!

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.