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JulijaS [17]
3 years ago
7

Help me solve this problem pls. k-15/7=-1​

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0

Answer: k=8

Step-by-step explanation: Simplify k-15/7=1 to k/7 - 15/7=-1. Add 15/7 to both sides and you get k/7=8/7 so k=8!

Good luck! :)

Marta_Voda [28]3 years ago
3 0

Answer:

<h2>k = 8</h2>

Step-by-step explanation:

\dfrac{k-15}{7}=-1\qquad\text{multiply both sides by 7}\\\\7\!\!\!\!\diagup^1\cdot\dfrac{k-15}{7\!\!\!\!\diagup_1}=(7)(-1)\\\\k-15=-7\qquad\text{add 15 to both sides}\\\\k-15+15=-7+15\\\\k=8

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