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42 votes
42 votes
-20k - 5) + 2k = 5k + 5A k = 0B) k = 4k = 1D) k = 2

User Prinzhorn
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2.5k points

1 Answer

20 votes
20 votes

The equation is:


\begin{gathered} -2(k-5)+2k=5k+5 \\ \end{gathered}

We can distribute the -2 into the parenthesis


\begin{gathered} -2k+10+2k=5k+5 \\ 10=5k+5 \\ \end{gathered}

now we solve for k


\begin{gathered} 10-5=5k \\ 5=5k \\ (5)/(5)=k \\ 1=k \end{gathered}

User Joshua Simon
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