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OpenStudy (anonymous):
on an algebra test,the highest grade was 42 points more than the lowest grade.the sum of the two grades was 138.find thee lowest grade.
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OpenStudy (anonymous):
let x be the lowest grade the highest grade is therefore x+42 x+x+42=138=>2x=138-42=>2x=96=>x=48
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
welcome
OpenStudy (anonymous):
(:
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