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Order operations and algebra - class-VII

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Multiple Choice

Subtract  $ - \frac{2}{3}{y^3}-\frac{2}{7}{y^2} - 5$ from $\frac{1}{3}{y^3} + \frac{5}{7}{y^2} - 2$, then the resultant value is . 

  1. ${y^3} + {y^2} - 7$
  2. ${y^3} + {y^2} + 3$
  3. ${y^3} + {y^2} - 3$
  4. ${y^3} + {y^2} + 7$
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