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nexus9112 [7]
3 years ago
11

I will crown brainliest ..... i hate get more math so muchhh

Mathematics
1 answer:
Simora [160]3 years ago
5 0

Answer:

Step-by-step explanation:

128 - 6x - 39 + 5x = -31 + 9x

89 -x = -31 + 9x

10x = 120

x = 12

m<QRS= -31 + 9(12)= -31 + 108= 77

m<TRS= -39 + 5(12)= -39 + 60= 21

m<QRT= 128 - 6(12)= 128 - 72 = 56

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