• 2021 April(D05) Math Question 29

    Algebraic & Function Expressions

    - Solve Function Expressions

    Solving equations
    Choice B
    =>(x−2)={6x−3}{3}=>(x-2)=\frac\{6x-3\}\{3\}
    =>(x−2)=2x−1=>(x-2)=2x-1
    =>−2+1=2x−x=>-2+1=2x-x
    =>x=−1=> x=-1
    ∴9(−1)−2=−11\therefore 9(-1)-2=-11

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