3 years ago

If -2(3y+5)=-4, find the value of 5y

2 answers:

8 0

$-2(3y+5)=-4\\\\-6y-10=-4\ \ \ \ \ |add\ 10\ to\ both\ sides\\\\-6y=6\ \ \ \ \ \ |divide\ both\ sides\ by\ (-6)\\\\\boxed{y=-1}$

densk [106]3 years ago

3 0

$-2(3y+5)=-4\\ -6y-10=-4\\ -6y=6\\y=-1\\\\
5y=5\cdot(-1)=-5$

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