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Does anyone know how to solve by substitution for 1/2x+7=y and 3y-11=-x
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The system of equations graphed below has how many solutions?
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Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.
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Does anyone know how to solve by substitution for 1/2x+7=y and 3y-11=-x...
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