24+z/10 = 31 solve for Z

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Find the value of x. give reasons to justify your solutions! h ∈ ig

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x