Leigh Griffiths scored the first SPFL goal of the season as reigning champions Celtic began their campaign with 4-1 win over Hearts.
Elsewhere in the Ladbrokes Premiership, Hibernian marked their top-flight return with a 3-1 victory over Partick Thistle at Easter Road.
Ross County defeated Dundee 2-1 at Dens Park and Michael O'Halloran scored a last-minute winner as St Johnstone beat Kilmarnock by the same score at Rugby Park.
Ladbrokes Championship favourites Dundee United started with a 1-0 win away to relegated Inverness CT thanks to a Paul McMullan penalty.
St Mirren hit back to beat Falkirk 3-1 in a big game in Paisley and Queen of the South top the early table after a 4-1 victory over Brechin City at Palmerston. Livingston and Dunfermline Athletic drew 1-1 and it finished 0-0 between Dumbarton and Morton.
Craig Moore hit the first league hat-trick of 2017/18 as Ayr United thrashed Albion Rovers 5-1 at Cliftonhill in Ladbrokes League 1.
Lewis Vaughan grabbed a last-minute leveller as Raith Rovers earned a 1-1 draw at Alloa Athletic and Arbroath marked their third-tier return by beating Queen's Park 2-0 at Gayfield. Forfar defeated Airdrie 2-1 at Station Park and Stranraer beat East Fife 1-0 at Stair Park.
Jamie Stevenson scored in stoppage time as Ladbrokes League 2 favourites Peterhead came from behind to beat Annan Athletic 2-1 at Galabank.
There was also a comeback at Ochilview as Stirling Albion beat Stenhousemuir 3-2 and it was the same story at Shielfield as Berwick Rangers saw off Clyde 3-1.
Montrose opened up with a 3-1 win at Edinburgh City and it was 1-1 between Elgin City and Cowdenbeath at Borough Briggs.
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