Solve Linear Equations in One Variable
- $$- 4 [ 3 x + 7 + 3 ( x + 1 ) ] = - 7 x - 5$$

question 56

Multiple Choice

Solve Linear Equations in One Variable
- $$- 4 [ 3 x + 7 + 3 ( x + 1 ) ] = - 7 x - 5$$

• A) \(\left\{ - \frac { 35 } { 17 } \right\}\)
• B) \(\left\{ \frac { 35 } { 3 } \right\}\)
• C) \(\left\{ \frac { 21 } { 17 } \right\}\)
• D) \(\{ - 7 \}\)

Understand the concept of price elasticity of demand.

Learn how the availability of substitutes affects price elasticity.

Recognize the impact of time on the price elasticity of demand for goods.

Distinguish between goods that are necessities and luxuries in terms of their price elasticity.

---

Definitions:

External Jugular

Refers to the external jugular vein, which runs superficially in the neck and drains blood from the head and neck.

Femoral Vein

A major blood vessel in the thigh that carries deoxygenated blood from the lower limb back to the heart.

Subclavian

Relating to the area beneath the clavicle (collarbone), particularly regarding vessels and nerves in that region.

Subcutaneous Tissue

The layer of tissue found directly under the skin, primarily consisting of fat and connective tissues that cushion and insulate the body.