Read answer the question no link or bot answer it right

Simplify the expression. enter the correct answer.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit