Respuesta: x=12,y=8
Explicación paso a paso:
10x + 4y = 152
2 ( 5x + 2y ) = 152
5x + 2y = 76
x = 12
y = 8
x + y = 20
12 + 8 = 20
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Respuesta: x=12,y=8
Explicación paso a paso:
Verified answer
Explicación paso a paso:
10x + 4y = 152
2 ( 5x + 2y ) = 152
5x + 2y = 76
x = 12
y = 8
x + y = 20
12 + 8 = 20