sweetie129 sweetie129
  • 12-11-2020
  • Mathematics
contestada

Please answer correctly !!!!!!!!!!!!!!!!!! Will mark brianliest !!!!!!!!!!!!!!!!!!

Please answer correctly Will mark brianliest class=

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jadelaw884 jadelaw884
  • 12-11-2020

Answer: x= 15

Steps shown in image below

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Аноним Аноним
  • 12-11-2020

Answer:

x=15

Step-by-step explanation:

they are supplementary so they add up to 180.

7x-9+5x+9=180

simplify

12x=180

divide by 12

x=15

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