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svp [43]
3 years ago
10

K/2+1/2=3 find the k

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

Answer:

k = 5

Step-by-step explanation:

Given

\frac{k}{2} + \frac{1}{2} = 3 ( multiply through by 3 to clear the fractions )

k + 1 = 6 ( subtract 1 from both sides )

k = 5

zimovet [89]3 years ago
4 0

Answer:

K=5

Step-by-step explanation:

K/2=3-1/2

k/2=2 1/2

k= 2 1/2 * 2

k=5

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Can you help me solve systems of equations by elimination step by step<br> -5x+9y=-12<br> 3x+2y=22
Sergio039 [100]

Answer:


Step-by-step explanation:

First solve -5x+9y=-12 for x:


-5x+9y=-12

-5x+9y-9y=-12-9y

-5x=-12-9

-5x=-9-12

-5x/-5=-9/5-12/-5

x=9/5y+12/6


Substitute x into an equation


3(-9/5y+12/6)+2y=22

37/5y+36/5=22

37/5y+36/5-36/5=22-36/5

37/5y=74/5

37/5y/37/5=74/5/37/5

y=2


Substitute y in x=-9/5y+12/6


9/5(2)+12/6

x=6


Solution Set: (6,2)




xoxo


   

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