OTTAWA — When Finance Minister François-Philippe Champagne presents his first budget on Tuesday, he will set off a high stakes game of parliamentary chicken as opposition parties plot their moves to either kick off a national election campaign or reluctantly support the fiscal blueprint.

Here’s how the budget and the Liberal government could live or die:

By the numbers

While the Liberals have a strong minority at 169 seats, theirs is still a minority government and they will need 172 votes in the 343-seat House of Commons to survive the coming confidence vote on the budget. But with just three votes needed, any of the opposition parties except for the Green Party have enough votes to get the Liberals over the finish line.

The Conservatives have the most support to offer the Liberals wi

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