15. 4 + 2x = 4x - 20
What is the value of X?​

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Can someone me find the original price? the discount is 5% and the sale price is $68.40