Please help, I don’t really understand these questions since I haven’t been in school for 4 years . This is for a friend !

For the equations below which statement is true ? -2x=14 6x=-42

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

In a column proof the right column states your reasons