Respuesta :

OPHELIUS
[tex]\bold{ANSWER:}[/tex]
OPTION D: None of these

[tex]\bold{EXPLANATIONS:}[/tex]
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awolbert0

Answer:c x=13

Step-by-step explanation:

straight line =180

180-50=130

7x+3x=10x

130/10=13

So the answer is x=13

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