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20-04-2016
Mathematics

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expand the expression and combine like terms: 7.4z-5(-1.6z+2.4)

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20-04-2016

[tex]7.4z-5(-1.6z+2.4) \\ \\ -5 (-1.6z) - 5 \times 2.4 \\ \\ 5 \times 1.6z - 5 \times 2.4 \\ \\ 7.4z + 8z - 12 \\ \\ 15.4z - 12 \\ \\ [/tex]

The answer is: 15.4z - 12.

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