Solve the System of Equations by the Elimination Method $$\left\{ \begin{array} { l } 7 x + 4 y = - 1 \\2 x + 3 y = - 2\end{array} \right.$$

question 39

Multiple Choice

Solve the system of equations by the elimination method.
- $$\left\{ \begin{array} { l } 7 x + 4 y = - 1 \\2 x + 3 y = - 2\end{array} \right.$$

• A) \(\left( - \frac { 12 } { 13 } , \frac { 5 } { 13 } \right)\)
• B) \(\left( \frac { 5 } { 13 } , \frac { 12 } { 13 } \right)\)
• C) \(\left( \frac { 5 } { 13 } , - \frac { 12 } { 13 } \right)\)
• D) \(\left( \frac { 12 } { 13 } , - \frac { 5 } { 13 } \right)\)

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Definitions:

Mathematical Expression

A combination of numbers, operators, and sometimes variables that represents a mathematical relationship or value.

Exponentiation

A process of multiplying a number by itself a specified number of times, indicated by the exponent.

Percentage Difference

A measure of the relative difference between two values, expressed as a percentage.

Mathematical Calculation

The process of solving a mathematical problem by using arithmetic operations and algorithms.