Why do we use a variable in an equation. – InterviewSolution

1.	Why do we use a variable in an equation.
Answer» Step-by-step EXPLANATION: Variables ' are used to REPRESENT certain unknown values. x, y, z and many other letters of English alphabet , also Greek alphabet is used . These represent the unknown terms/values . 'Algebra' , a broad PART of mathematics , is where variables are used mostly to represent certain terms in an EQUATION .

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