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23-04-2020
Mathematics

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HELP PLZ ASAP WORTH XTRA POINTS!! INCLUDES SCREENSHOT

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thiend95 thiend95

23-04-2020

Answer:

99

Step-by-step explanation:

8x-13+7x-17=180( because stright angle = 180 degree)

15x-30=180

15x=210

x=14

8(14)-13= 99

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