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# Lil bit of help needed. evaluate the following expression for the given value(s) of the variable(s) 5(a+2)-6÷a for a=3

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Any help will do thanks

Nov 12, 2018

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$$5(a+2) - 6 \div a = \\ 5(a+2) - \left(\dfrac{6}{a}\right)\\$$

$$\left . 5(a+2)-\dfrac 6 a \right |_{a=3} = \\ 5(3+2) - \dfrac 6 3 = \\ 25 - 2 = \\ \Large 23$$

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Nov 12, 2018