Solve the System of Equations Using the Addition Method

question 61

Short Answer

Solve the system of equations using the addition method:
2y = 3x + 19
2x - y = -9

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Definitions:

Demand Curve

A graphic representation showing how the quantity demanded of a good or service varies with its price.

Marginal Cost

The hike in complete costing that comes with the fabrication of an additional unit of a good or service.

Competitive Buyer

A buyer in a market who cannot influence the market price and takes the price as given.

Marginal Expenditure

The rise in expense from obtaining one more unit of a good or service.