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11111nata11111 [884]
3 years ago
15

Solve for k.

Mathematics
2 answers:
elixir [45]3 years ago
4 0

Answer:

1/7 m

Step-by-step explanation:

Look at the picture above.

Hope this helps.

Dominik [7]3 years ago
4 0

Answer:

\large\boxed{k=\dfrac{m}{7}}

Step-by-step explanation:

8k+2m=3m+k\qquad\text{subtract}\ 2m\ \texy{from both sides}\\\\8k+2m-2m=3m-2m+k\\\\8k=m+k\qquad\text{subtract}\ k\ \text{from both sides}\\\\8k-k=m+k-k\\\\7k=m\qquad\text{divide both sides by 7}\\\\\dfrac{7k}{7}=\dfrac{m}{7}\\\\k=\dfrac{m}{7}

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