Points A, B, and C are collinear. Point B is between A and C. Solve for x.

AB=x+1,AC=-4+2x and BC =5 Find x

1 answer

From the sketch that you made, it is obvious that
-4 + 2x - (x+1) = 5
-4 + 2x - x - 1 = 5
x = 5+4+1
x = 10