highlight entire row base on a single cell value

Can anybody help me to fix this macro i have it to where is highlighting a single cell i will like the macro to highlight entire row base on a single cell value

thankyou for any help provided

Sub colorentirerow()
'base on a value of single cell highlight entire row
Range("A1", ActiveCell.SpecialCells(xlLastCell)).Select
For Each mycell In Selection
If mycell.Value Like "5" Then
mycell.Interior.ColorIndex = 3
End If
Next
End Sub