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Anne bought a necklace for each of her 3 sisters.she paid 7$ for each necklace. suppose she had $9 left. write and solve an equation to find out how much anne had initially to spend on each sister equation:
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Anne bought a necklace for each of her 3 sisters.she paid 7$ for each necklace. suppose she had $9 left. write and solve an equation to find out how much anne had initially to spend on each sister

equation:

solution:

please show work thanks :)

User Gsakkis
by
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1 Answer

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7x3=21 21+9= 30

y=-7x+30
User Valmarv
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