50 - 3n = 7n + 80i need on the steps on doing this problem? ?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41