Solve the System by Elimination $\begin{aligned}x-2 y &=4 \\x+y &=1\end{aligned}$

question 47

Short Answer

Solve the system by elimination.
$\begin{aligned}x-2 y &=4 \\x+y &=1\end{aligned}$

---

Definitions:

Cognitive Learning

Learning that involves mental processes like thinking, knowing, remembering, and problem-solving, highlighting how we understand and apply knowledge.

Operant Conditioning

A learning process in which the strength of a behavior is modified by reinforcement or punishment.

Voluntary Behavior

Actions performed by an individual that are done by choice, with conscious control.

Cognitive Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences through thinking and problem-solving.