**Question**: <P and <Q are congruent angles. If m<P = (5x – 7)° and m<Q =78°, find x.

**Answer**: since the angles are congruent, the angles are equal

thus

( 5x- 7) = 78

5x = 85

x = 17 degrees

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**Question**: <P and <Q are congruent angles. If m<P = (5x – 7)° and m<Q =78°, find x.

**Answer**: since the angles are congruent, the angles are equal

thus

( 5x- 7) = 78

5x = 85

x = 17 degrees