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

User Ocko
by
7.2k points

2 Answers

4 votes

Answer:

it is 8-2r

Explanation:

Solution Steps

2r+1+(−4r)+7

Combine 2r and −4r to get −2r.

−2r+1+7

Add 1 and 7 to get 8.

−2r+8

Factor

2(4−r)

User Vivek Patel
by
6.4k points
4 votes

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

Then the result is -2r+8.

User Matadur
by
7.2k points