Exercise 32

Simplify each expression, if possible, by combining like terms.

  1. \({-{\frac{8}{3}}z+{\frac{4}{5}}z+{\frac{3}{4}}z}\)

  2. \({-{\frac{9}{4}}y+y^{2}}\)

  3. \({{\frac{4}{5}}y+{\frac{3}{2}}t+z^{2}}\)

  4. \({{\frac{9}{5}}t+6t+{\frac{1}{3}}t+7x}\)

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