Question

2y +4=2- (8y -10y)
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Answer 1

Respuesta:

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Explicación paso a paso:

$2y+4=2-\left(8y-10y\right)\\\\\\Primero \: los \: parentesis \: -\left(8y-10y\right)\\\\\\-\left(8y-10y\right)\\\\\\=-\left(-2y\right)\\\\\\=2y\\\\\\continuamos\\\\\\2y+4=2+2y\\\\\\2y+4-4=2+2y-4\\\\\\2y=2y-2\\\\\\2y-2y=2y-2-2y\\\\\\0=-2$

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