What are the major political parties? how do they affect elections?

The main political parties are the Democrats and the Republicans. They affect the elections according to their differences.

The greatest influence in the elections that these two parties provoke concerns their ideologies, which are the basis for the construction of a government. While Democrats are center-left, Republicans think of the US with right-wing ideas. Thus, the banners and the way these political groups operate are totally contrary.

Republican Ideologies: It envisages the small-scale government's performance in relation to the country's economy; preserves conservative ideas, such as the maintenance of morality and good manners; prefers to reduce taxes; and in the social field opposes homosexual marriage and abortion.

Democratic ideologies: bet on the deep intervention of the State in the economy; aims to balance the capitalist system with social programs; search for tax collections, mainly for companies; declares support for trade unions, the desclandestinization of abortion, homoafetive union and the rights of minorities.

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for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: