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

Write the alg...

Question

Write the algebraic equation for the following statement and solve.
A number $x$ plus $7$ is equal to $16.$ What is $x ?$

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Solution

$x + 7 = 16 \Rightarrow x + 7 - 7 = 16 - 7 = 9$

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

Standard X Mathematics

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