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Proportion

Verity by sub...

Question

Verity by substitution that the root of the $\frac{z}{7} = 8$ is $z = 56$ .

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Solution

Given equation is $\frac{z}{7} = 8$

So for $z = 56$ , $L H S = \frac{56}{7} = 8$

$R H S = 8$

$L H S = R H S$

$∴ z = 56$ is a root

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