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Answered by
1
Step-by-step explanation:
L = 11
11= 7x+3
11-3=7x
7=7x
x=7/7
x=1
Answered by
0
Answer:
According to parallel line theorem,
A+B= 180
i. e. 7x+3 + 3x+7 =180
=> 10x+10=180
=> 10x=170
therefore, x=17
Step-by-step explanation:
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