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-2 (-7k + 4) + 9 = -13
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3 votes
-2 (-7k + 4) + 9 = -13

User Tomasz Gawel
by
8.3k points

2 Answers

1 vote
The answer is -1.


-2(-7k + 4) = -13 - 9

-2(-7k + 4) = -22

-7k + 4 = -22/2

-7k + 4 = 22/2

-7k + 4 = 11

-7k = 11 - 4

-7k = 7

k = -1.
User Justan
by
8.2k points
3 votes
-2 (-7k + 4) + 9 = -13
Use distributive property
14k - 8 + 9 = -13
Add 8 to both sides
14k + 9= -5
Subtract 9 from both sides
14k= -14
Divide 14 on both sides
Final Answer: k= -1
User Dusky
by
7.9k points
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