3 years ago

HELP PLZ ASAP WORTH XTRA POINTS!! INCLUDES SCREENSHOT

Mathematics

1 answer:

Rainbow [258]3 years ago

4 0

Answer:

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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