y=20
X=60
Explicación paso a paso:
método de sustitucion
2(3y)+2y=160
6y+2y=160
8y=160
y=160÷8
X=3y
X=3(20)
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Verified answer
y=20
X=60
Explicación paso a paso:
método de sustitucion
2(3y)+2y=160
6y+2y=160
8y=160
y=160÷8
y=20
X=3y
X=3(20)
X=60