Respuesta:
y=2
x=3
Explicación paso a paso:
x=15+3y/7
x=27-6y/5
15+3y/7=27-6y/5
75+15y=189-42y
57y=114
7x-3(2)=15
7x=15+6
7x=21
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Respuesta:
y=2
x=3
Explicación paso a paso:
x=15+3y/7
x=27-6y/5
15+3y/7=27-6y/5
75+15y=189-42y
57y=114
y=2
7x-3(2)=15
7x=15+6
7x=21
x=3