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.
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