TyrrellR383635 TyrrellR383635

29-10-2022
Mathematics

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2r+1+(-4r)+7 combine the like terms to create an equivalents expression

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KoltanL650221 KoltanL650221

29-10-2022

[tex]\begin{gathered} 2r+1+(-4r)+7=2r+1-4r+7 \\ =(2r-4r)+(1+7) \\ =(-2r)+(8) \\ =-2r+8 \end{gathered}[/tex]

Then the result is -2r+8.

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