Answer:
RQS=103°,SQT=77°
SEE THE IMAGE FOR SOLUTION
<RQS=103 degrees
<SQT=77
Explanation:
19x + 9 = 180 subtract 9 from both sides
19x = 171 divide both sides by 19
x = 9 replace 9 for x in your original
11 x 9 + 4 = 103
8 x 9 + 5 = 77
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