renee9913
13.02.2021 •
Mathematics
If you are ever stuck on a math EQUATION not a word problem, download photomath, that saved my life and my time!
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Ответ:
life saver
Step-by-step explanation:
Ответ:
180-5x-15=3x-3
-5x-3x=-3-180+15
-8x= -168
x= 168/8= 21
x=21
angle <1
180-(3x-3)
180-(3×21-3)
180-(63-3)
180-60= 120°