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yaroslaw [1]
3 years ago
13

Solve for K: 248 - 4K = 5 + 9(-3+4)

Mathematics
2 answers:
WINSTONCH [101]3 years ago
4 0
Our original equation: 
248 - 4k = 5+9(-3+4)
Now, we just solve for k:
When we use PEMDAS, we get this equation:
248 - 4k = 14
Now, subtract 248 from both sides:
- 4k = -234
Now, divide -4 on both sides:
k = 58.5
The answer to your problem is k = 58.5 or k = 117/2. Hope this helps and have a fantastic day!


Anastaziya [24]3 years ago
4 0
K= 58.5 I hope this helps
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Now, plug this expression (8-7y) for x in the top equation to solve for y.

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Now that you have y, plug it into the second equation and solve for x.

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Last step is to plug your x- and y-values in to both equations to check your work.

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\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ;  \frac{1}{3} * \frac{8}{8} = \frac{8}{24}

\frac{9}{24} + \frac{8}{24} = \frac{17}{24}  <--True

1+7(1)=8
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Answer:
x=1 \\ y=1
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3 years ago
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