Hannapeaseee Hannapeaseee

13-04-2022
Mathematics

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SOLUTION 6 Show that -0.75(-4f + 12) and (5f + 9) - (2f+ 18) are equivalent expressions.

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loneguy loneguy

13-04-2022

[tex]-0.75(-4f+12)\\\\=-\dfrac 34(-4f +12)\\\\=-\dfrac 34 \cdot (-4f) - \dfrac 34\cdot(12)\\\\=3f-9\\\\\\(5f+9)-(2f+18)\\\\=5f+9-2f-18\\\\=3f-9\\\\\text{Hence, the expressions are equivalent.}[/tex]

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