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Let x = the number.

Four times of the number represents 4x.

Three more than four times of the number represents 4x + 3. $\"\"$

$\"\"$

$\"\"$ (Subtract 3 from each side)

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

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

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

$\"\"$ (Divide each side by 4)

$\"\"$ (Cancel common terms)

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

The number is 5.