Solve the System by the Substitution Method $$\left\{ \begin{aligned}x & = - 4 y + 4 \\7 x - 5 y & = - 5\end{aligned} \right.$$

question 73

Multiple Choice

Solve the system by the substitution method.
- $$\left\{ \begin{aligned}x & = - 4 y + 4 \\7 x - 5 y & = - 5\end{aligned} \right.$$

• A) \(\{ ( 1,0 ) \}\)
• B) \(\{ ( x , y ) \mid x = - 4 y + 4 \}\)
• C) \(\{ ( 0,1 ) \}\)
• D) \(\varnothing\)

---

Definitions:

Body Weights

A measure of an individual's body mass, often linked to health and fitness.

Sedentary Activities

Activities involving little physical movement, often resulting in low energy expenditure.

Fattening Foods

Foods high in calories and low in nutritional value, often contributing to weight gain and obesity.

Calories

A measure of energy, often used to quantify the energy value of foods and the energy expenditure of physical activities.