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- Equation:
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Equation 0,2x+2,7=1,4-1,1x
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Equation -x^2+6*x+16=0
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Equation sin(x/3)=1/2
- Equation x^4-50*x^2+49=0
- Express {x} in terms of y where:
- 12*x-20*y=10
- -1*x+6*y=-20
- -11*x+10*y=-3
- 7*x-6*y=-2
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Identical expressions
- zero , two x+2, seven = one , four - one ,1x
- 0,2x plus 2,7 equally 1,4 minus 1,1x
- zero , two x plus 2, seven equally one , four minus one ,1x
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Similar expressions
- 0,2x+2,7=1,4+1,1x
- 0,2x-2,7=1,4-1,1x
0,2x+2,7=1,4-1,1x equation
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The solution
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x 27 7 11*x - + -- = - - ---- 5 10 5 10
$$\frac{x}{5} + \frac{27}{10} = \frac{7}{5} - \frac{11 x}{10}$$
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:
$$\frac{x}{5} = - \frac{11 x}{10} - \frac{13}{10}$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{13 x}{10} = - \frac{13}{10}$$
Divide both parts of the equation by 13/10
We get the answer: x = -1
(1/5)*x+(27/10) = (7/5)-(11/10)*x
Expand brackets in the left part
1/5x+27/10 = (7/5)-(11/10)*x
Expand brackets in the right part
1/5x+27/10 = 7/5-11/10x
Move free summands (without x)
from left part to right part, we given:
$$\frac{x}{5} = - \frac{11 x}{10} - \frac{13}{10}$$
Move the summands with the unknown x
from the right part to the left part:
$$\frac{13 x}{10} = - \frac{13}{10}$$
Divide both parts of the equation by 13/10
x = -13/10 / (13/10)
We get the answer: x = -1
The graph