Help with explanation please and thank you

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team

Each flyer costs $0.25. our total budget is $555. it will cost $115 for other supplies. about how many flyers do you think we can buy? a.)less than 1,000 flyers b.)between 1,000 and 2,000 flyers c.)10,000 flyers d.)greater than 2,000 flyers