Math, asked by arbaz6929, 10 hours ago

please give correct ans

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Answered by prayaskumarsingh0

0

Answer:

1)She Made First Mistake in 12(5+2y) And Second She Did"nt Change the Sign i.e 4y-(5y-9y)

Step-by-step explanation:

2)Solution=12(5+2y)=4y-(5y-9y)

=60+24y=4y-5y+9y

=60=8y-24y

=y=-60/16

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