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Linear Equation in One Variable

Verify by sub...

Question

Verify by substitution that the root of $5 x - 8 = 2 x - 2$ is $x = 2$ .

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Solution

$5 x - 8 = 2 x - 2, x = 2$

$L H S$ $= 5 (2) - 8 = 2$

$R H S$ $= 2 (2) - 2 = 2$

$L H S = R H S$

$∴ x = 2$ is a root

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