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sveticcg [70]
1 year ago
7

HELP DUE TOMORROW GUYS

Mathematics
1 answer:
kakasveta [241]1 year ago
6 0

Answer:

x = 15

Step-by-step explanation:

8x + 9 and 51 are same- side interior angles and sum to 180° , then

8x + 9 + 51 = 180

8x + 60 = 180 ( subtract 60 from both sides )

8x = 120 ( divide both sides by 8 )

x = 15

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