$\"\"$

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The equation is $\"\"$ .

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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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Subtract 3 from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 7.

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$\"\"$

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$\"\"$ .

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The solution is $\"\"$ .

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$\"\"$

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Check:

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Substitute the value $\"\"$ in the original equation : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Since the above statement is true, $\"\"$ is a solution of $\"\"$ . $\"\"$

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The solution of $\"\"$ is $\"\"$ .