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$\"\"$

The equation is $\"\"$

According to subtraction property of equality: if $\"\"$ , then $\"\"$ .

$\"\"$ (Subtract $\"\"$ from both sides).

$\"\"$ (Subtract: $\"\"$ )

$\"\"$ (Subtract 5 from each side)

$\"\"$ (Subtract: $\"\"$ )

$\"\"$

$\"\"$ (Divide both sides by $\"\"$ )

$\"\"$ (Divide: $\"\"$ )

$\"\"$

Verify the solution:

To verify the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (Multiply: $\"\"$ and $\"\"$ )

$\"\"$ (Add: $\"\"$ and $\"\"$ )

Compare the values, the equation is true.

$\"\"$

The value of $\"\"$ .