Find the Measure of Each Unknown Angle in Triangle ABC

Find the measure of each unknown angle in triangle ABC.
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$\angle \mathrm { A } = ( 40 \mathrm { x } - 17 ) ^ { \circ } , \angle \mathrm { B } = ( 35 - 2 \mathrm { x } ) ^ { \circ } , \angle \mathrm { C } = ( 6 + \mathrm { x } ) ^ { \circ }$

A) $\angle \mathrm { A } = 37 ^ { \circ } , \angle \mathrm { B } = 23 ^ { \circ } , \angle \mathrm { C } = 14 ^ { \circ }$
B) $\angle \mathrm { A } = 143 ^ { \circ } , \angle \mathrm { B } = 31 ^ { \circ } , \angle \mathrm { C } = 6 ^ { \circ }$
C) $\angle \mathrm { A } = 143 ^ { \circ } , \angle \mathrm { B } = 27 ^ { \circ } , \angle \mathrm { C } = 10 ^ { \circ }$
D) $\angle A = 37 ^ { \circ } , \angle B = 35 ^ { \circ } , \angle C = 2 ^ { \circ }$

Correct Answer:

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