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15 votes
15 votes
Solve the equation4k+5=3(4k-14)+71

User Hamburger
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1 Answer

17 votes
17 votes

Solve:


4k+5=3(4k-14)+71

open the bracket,


4k+5=12k-42+71

collect like terms,


4k-12k=-42+71-5

simplify,


\begin{gathered} -8k=24 \\ \text{ divide through by -8} \\ (-8k)/(-8)=(24)/(-8) \\ k=-3 \end{gathered}

Therefore, k = -3

User Praneeth
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2.8k points