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Let x = the number.

Two times of the number represents 2x.

The sum of 7 and two times a number represents 2x + 7. $\"\"$

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$\"\"$ (Subtract 7 from each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Apply additive identity property: $\"\"$ )

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

$\"\"$ (Divide each side by 2)

$\"\"$ (Cancel common terms)

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

The number is 2.