Solve by the Substitution Method $$\begin{array} { l } x + 6 y = - 1 \\7 x + 7 y = - 7\end{array}$$

question 59

Multiple Choice

Solve by the substitution method.
- $$\begin{array} { l } x + 6 y = - 1 \\7 x + 7 y = - 7\end{array}$$

• A) \(( - 1,0 )\)
• B) \(( 0 , - 1 )\)
• C) \(( 1 , - 1 )\)
• D) No solution

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Definitions:

Real Number

A value that represents a quantity along a continuous line, including both rational and irrational numbers.

Arithmetic Operators

Operators in programming that perform mathematical calculations such as addition, subtraction, multiplication, division, and modulus.

Operand

An object that is manipulated by an operator in a mathematical operation or expression.

Literal Value

A fixed value explicitly presented in source code, such as numerical constants, character constants, or string literals.