browneyedbaby20
08.10.2020 •
Mathematics
Determine the value of x
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Ответ:
Step-by-step explanation:
22y+13=90
22y=90-13
22y=77
22y/22=77/22
y=7/2
21x+6=90
21x=90-6
21x=84
x=84/21
Ответ: