Given the equation 5 + x - 12 = x - 7. part a. solve the equation 5 + x - 12 = x - 7. in your final answer, be sure to state the solution and include all of your work part b. use the values x= 4, 0,5 to prove your solution to the equation 5 + x - 12 = x - 7. in your final answer, include all of your calculations.

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?