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deff fn [24]
3 years ago
7

What is the value of k? 2k+9=7−3k

Mathematics
2 answers:
musickatia [10]3 years ago
5 0

Answer:

k = -2/5

Step-by-step explanation:

2k+9=7-3k

2k+3k=7-9

5k=-3

k=-2/5

gtnhenbr [62]3 years ago
4 0

Answer:

The value of k is

k=−2/5

Steps:

2k+9=7-3k

2k+3k=7-9

5k=-3

k=-2/5

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100 points
Pavlova-9 [17]
STEP
1
:

y
Simplify —
3
Equation at the end of step
1
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y
(((18•(x5))•(y3))+((6•(x2))•(y4)))+((((24•(x6))•—)•x)•y)
3
STEP
2
:

Equation at the end of step
2
:

y
(((18•(x5))•(y3))+((6•(x2))•(y4)))+((((23•3x6)•—)•x)•y)
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STEP
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Canceling Out:

3.1 Canceling out 3 as it appears on both sides of the fraction line


Equation at the end of step
3
:

(((18•(x5))•(y3))+((6•(x2))•(y4)))+((8x6y•x)•y)
STEP
4
:

Equation at the end of step
4
:

(((18•(x5))•(y3))+((2•3x2)•y4))+8x7y2
STEP
5
:

Equation at the end of step
5
:

(((2•32x5) • y3) + (2•3x2y4)) + 8x7y2
STEP
6
:

STEP
7
:
Pulling out like terms

7.1 Pull out like factors :

8x7y2 + 18x5y3 + 6x2y4 = 2x2y2 • (4x5 + 9x3y + 3y2)

Trying to factor a multi variable polynomial :

7.2 Factoring 4x5 + 9x3y + 3y2

Try to factor this multi-variable trinomial using trial and error

Factorization fails

Final result :
2x2y2 • (4x5 + 9x3y + 3y2)
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2 years ago
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Step-by-step explanation:

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Mrs.Wang is 23 years older than her daughter. In 5 years, their ages will total 63. How old are they now
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3 years ago
Read 2 more answers
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Black_prince [1.1K]

Answer:

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