А) 10x-3x-1=3 б)14-(5y+3)=2
7x=3+4 14-5y-3=2
7x=7 14-2-3=5y
x=1 9=5y
y=5/9
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А) 10x-3x-1=3 б)14-(5y+3)=2
7x=3+4 14-5y-3=2
7x=7 14-2-3=5y
x=1 9=5y
y=5/9