blasius5897
07.03.2021 •
Mathematics
5 +5 +6+8+6+7+5=5+3+3+2+4+611
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Ответ:
670
Step-by-step explanation:
i think
Ответ:
x=-2, y=3
Step-by-step explanation:
4x + 3y = 1 Equ 1
x - 3y = -11Equ 2
5x=-10
x=-2
From equ 1
4x + 3y =1
4(-2)+3y=1
-8+3y=1
3y=1+8
3y=9
y=3