Solve the System by Substitution

question 87

Short Answer

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the system is dependent or inconsistent , or if there is no solution , indicate this.

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Definitions:

Highly Inelastic

A situation where the demand or supply for a good or service is insensitive to changes in its price.

Highly Elastic

Describes a situation where the supply or demand for a product or service changes significantly in response to changes in price.

Per-Unit Subsidy

A government payment made for each unit of a product produced or sold, aimed at reducing the price or encouraging production.

Sales Tax

A tax imposed by government authorities on the sale of goods and services, typically calculated as a percentage of the purchase price.