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Write as a fraction with denominator $1$

Theory

Write as a fraction with denominator 11

Any numeric or algebraic expression divided by 11 is always equal to itself. Therefore, any expression can be written as fraction with denominator 11 without changing its value. 3=31x+2=x+21 3=\dfrac{3}{1} \quad \quad x+2=\dfrac{x+2}{1}