SOLUTION: Given that triangleABC is congruent to triagnleDEF, AC=21x-19, and DF=3x+17, find the measure of line AC

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Question 1005114: Given that triangleABC is congruent to triagnleDEF, AC=21x-19, and DF=3x+17, find the measure of line AC
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The two have to be equal if congruent.
21x-19=3x+17
18x=36
x=2
AC is 42-19=23 units