6= -4x + y
-5x - y = 21
substitution...
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Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?
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What number line represents the solution set for the inequality -1/2 greater than or equal to 4
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Which statement explains the relationship between corresponding terms in the table?
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