Solve the Pair of Linear Equations by Addition $\begin{array} { l } 7 x - 8 y = - 7 \\3 x - 19 y = - 3\end{array}$

question 110

Essay

Solve the pair of linear equations by addition. $\begin{array} { l } 7 x - 8 y = - 7 \\3 x - 19 y = - 3\end{array}$

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Definitions:

Insurable Interest

(1) In contract law, a property interest in goods being sold or leased that is sufficiently substantial to permit a party to insure against damage to the goods. (2) In the context of insurance, an interest in a person’s life or well-being that is sufficiently substantial that insuring against the person’s death or injury does not amount to a mere wagering contract.

Title

The legal right to own, use, or dispose of property or assets.

Seller

refers to an individual or entity that offers goods or services for sale to consumers or other businesses.

Merchant

An individual or business engaged in the selling of goods or services, especially those involved in wholesale or retail trade.