Question

Find x if AC = x+3, AB = 2x-21, BC = 12

Answer 1

Answer: This is what I got?? It doesn't feel right.

X = -5.7

Explanation:

Let B = 12/C

Solve the other two equations for A.

Then set both equations, solved for A, equal to each other.

Substitute 12/C for B.

Cross Multiply.