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Arturiano [62]
2 years ago
7

Help :( please I need some

Mathematics
2 answers:
Tresset [83]2 years ago
8 0
Answer: 5
21x-1=19x+11, when you solve this equation you’ll get a solution of 5
LuckyWell [14K]2 years ago
7 0

Answer:

21x-1=19x+11(by alternate exterior angle)

21x-19x=11+1

2x=12

X=12/2

X=6

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