yokis2710
04.12.2020 •
Mathematics
PLEASE HELP ME DO THESE MATH PROBLEMS PART 2
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Ответ:
Step-by-step explanation:
x+y=180; y+z=180
145+z=180
z= 35
y=180-35
y =145
x=180-145
x= 35
2x-10=x+80
x=90
3y-4 =y+20
2y = 24
y = 12