Please help and explain

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Students at a local high school were asked to identify their favorite school subject. the percentages of students' favorite subjects are shownuse the drop-down menus to complete the sentences below.

Consider the point (x,y) lying on the graph of the line 6x+4y=7. let l be the distance from the point (x,y) to the origin (0,0). write l as a function of x.