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3 years ago

9

Someone help me plzzzzzz

1 answer:

RSB [31]3 years ago

8 0

Answer:

Step-by-step explanation:

5x-4+7x-8=180

12x-12=180

12x=192

x = 16

5(16)-4= 80-4= 76 degrees

7(16)-8= 112-8= 104 degrees

9y + 5 = 104

9y = 99

y = 11

9(11) + 5 = 99 + 5 = 104

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