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- Equation:
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Equation x^2-8*x-9=0
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Equation x^2-15=2*x
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Equation 3*x^2-2=5*x
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Equation 6,8-1,3x=0,6x-2,7
- Express {x} in terms of y where:
- 12*x+10*y=14
- -18*x+2*y=12
- -14*x-10*y=16
- 8*x-11*y=18
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Identical expressions
- six , eight - one ,3x= zero ,6x- two , seven
- 6,8 minus 1,3x equally 0,6x minus 2,7
- six , eight minus one ,3x equally zero ,6x minus two , seven
- 6,8-1,3x=O,6x-2,7
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Similar expressions
- 6,8-1,3x=0,6x+2,7
- 6,8+1,3x=0,6x-2,7
6,8-1,3x=0,6x-2,7 equation
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The solution
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34 13*x 3*x 27 -- - ---- = --- - -- 5 10 5 10
$$\frac{34}{5} - \frac{13 x}{10} = \frac{3 x}{5} - \frac{27}{10}$$
Detail solution
Given the linear equation:
Expand brackets in the left part
Expand brackets in the right part
Move free summands (without x)
from left part to right part, we given:
$$- \frac{13 x}{10} = \frac{3 x}{5} - \frac{19}{2}$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{\left(-19\right) x}{10} = - \frac{19}{2}$$
Divide both parts of the equation by -19/10
We get the answer: x = 5
(34/5)-(13/10)*x = (3/5)*x-(27/10)
Expand brackets in the left part
34/5-13/10x = (3/5)*x-(27/10)
Expand brackets in the right part
34/5-13/10x = 3/5x-27/10
Move free summands (without x)
from left part to right part, we given:
$$- \frac{13 x}{10} = \frac{3 x}{5} - \frac{19}{2}$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{\left(-19\right) x}{10} = - \frac{19}{2}$$
Divide both parts of the equation by -19/10
x = -19/2 / (-19/10)
We get the answer: x = 5
The graph