1.What is $\frac{2}{5} t + 21 = 15$ $2/5t+21=15$ ?

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1.What is $\frac{2}{5} t + 21 = 15$ $2/5t+21=15$ ?

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Answer 1 · 2018-02-27T16:11:32

$t = - 15$ $t=-15$

Explanation:

$\frac{2}{5} t + 21 = 15$ $2/5t+21=15$
$\Rightarrow \frac{2}{5} t = 15 - 21$ $=> 2/5t=15-21$
$\Rightarrow 2 t = (- 6) . (5)$ $=> 2t=(-6).(5)$
$\Rightarrow t = - \frac{30}{2} = - 15$ $=> t=-30/2=-15$

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1.What is $\frac{2}{5} t + 21 = 15$ $2/5t+21=15$ ?

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