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Solving an Equation

Solve:-5z = 4

Question

Solve:
$- 5 z = 4$

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Solution

Find the value of $z$

Given, $- 5 z = 4$
Dividing each term by $- 5$ we get,
$\Rightarrow \frac{- 5 z}{- 5} = \frac{4}{- 5}$
$\Rightarrow z = \frac{- 4}{5} or - 0.8$

Hence , the value of $z$ is $\frac{- 4}{5}$ .

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Solving an Equation

Standard VII Mathematics

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