1 Answer

Arno Fiva · Answer 1 · 2023-05-21T18:56:26+0000

We have the following equation:

They ask us to solve this equation, in this case, we must solve for "k"

Now, we clear k

$\begin{gathered} 28=-k+16-2k-9 \\ 28=-3k+7 \\ 3k=-28+7 \\ 3k=-21 \\ k=-(21)/(3) \\ k=-7 \end{gathered}$

Compared with your solution, this is also correct, let's see the last step in which you are

$\begin{gathered} -3k=21 \\ k=(21)/(-3) \\ k=-7 \end{gathered}$

Your solution to this equation is correct in each step you did, you just need to move on to divide the (-3) to the other side

In conclusion, the answer si k = -7

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