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OpenStudy (anonymous):
(-3a+9b-c)-(-4b+9c-7d) subtract and simplify
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OpenStudy (anonymous):
dipankar you are mistaken 3a+13b-10c+7d
OpenStudy (anonymous):
-3a+13b-10c+7d
OpenStudy (anonymous):
u have also mistaken dheeraj..its -3a
OpenStudy (anonymous):
yah -3a+13b-10c+7d
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