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Degger [83]
3 years ago
6

-2/5x+6=8 can you help me

Mathematics
2 answers:
ale4655 [162]3 years ago
7 0
If you would like to solve the equation - 2/5 * x + 6 = 8, you can do this using the following steps:

- 2/5 * x + 6 = 8
- 2/5 * x = 8 - 6
- 2/5 * x = 2    /*(-5/2)
x = 2 * (- 5/2)
x = - 5

The correct result would be -5.
Doss [256]3 years ago
7 0
- \frac{2}{5} x+6=8
Common denominator is 5
\frac{(-2)x}{5} +6=8

5( \frac{(-2)x}{5} +6)=5*8
Distributhing 5 through parentheses
\frac{ \not5(-2)x}{ \not5} +5*6=5*8
(-2)x+5*6=5*8
(-2)x+30=5*8
-2x+30=40
-2x=40-30
-2x=10   /: -2
x=-5
The answer is: x=-5


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Help me plzz and thank u sm
vladimir2022 [97]

Answer:

The equation of the axis of symmetry is x = 7

Step-by-step explanation:

Mathematically, we have the equation of the axis of symmetry as;

x = -b/2a

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b is the coefficient of x which is -14

So, the equation of the axis of symmetry will be;

x = -(-14)/2(1) = 14/2 = 7

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6 0
2 years ago
7-7(5+x)-9x in simplified​
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Answer:

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Step-by-step explanation:

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3 years ago
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Shkiper50 [21]

Answer:

no. I think its 2

Step-by-step explanation:

3x+1=7

3x=7-1

3x=6

x=2

3 0
3 years ago
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pogonyaev
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5 0
3 years ago
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