[tex]\displaystyle\bf\\ + \left \{ {{4x - 3y = 5} \atop {7x + 3y = 17}} \right. \\ \\4x + 7x = 5 + 17 \\ 11x = 22 \\ x = 22 \div 11 \\ x = 2 \\ \\ 7 \times 2 + 3y = 17 \\ 14 + 3y =1 7 \\ 3y =17 - 14 \\ 3y = 3 \\ = 3 \div 3 \\ y = 1[/tex]
Ответ: ( 2 ; 1 )
Ответ: х=2, у=1
Объяснение:
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[tex]\displaystyle\bf\\ + \left \{ {{4x - 3y = 5} \atop {7x + 3y = 17}} \right. \\ \\4x + 7x = 5 + 17 \\ 11x = 22 \\ x = 22 \div 11 \\ x = 2 \\ \\ 7 \times 2 + 3y = 17 \\ 14 + 3y =1 7 \\ 3y =17 - 14 \\ 3y = 3 \\ = 3 \div 3 \\ y = 1[/tex]
Ответ: ( 2 ; 1 )
Ответ: х=2, у=1
Объяснение: