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Method of Substitution to Find the Solution of a Pair of Linear Equations

Find the valu...

Question

Find the value of $x$ for which the equation is $16 (x + 7) = 144$

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Solution

$16 (x + 7) = 144$

$\Rightarrow 16 x + 112 ‬ = 144$

$\Rightarrow 16 x ‬ = 144 - 112 = 32$

$\Rightarrow x = \frac{32}{16} = 2$

$∴ x = 2$

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Method of Substitution to Find the Solution of a Pair of Linear Equations

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