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

User Beothorn
by
8.5k points

1 Answer

6 votes

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.

User Vicky Mahale
by
8.8k points

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