Mister Exam
Other calculators
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How to use it?
- Express {x} in terms of y where:
- -16*x-7*y=-5
- -5*x+5*y=-9
- -2*x+1*y=-8
- 1*x-19*y=-10
- Equation:
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Equation tg(x)=-1
-
Equation sin(x)=3/2
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Equation 3x-3=7x-3(2x-5)
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Equation k^2+k-2=0
- Sum of series:
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-8
- Limit of the function:
- -8
- Integral of d{x}:
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-8
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Identical expressions
- - two *x+ one *y=- eight
- minus 2 multiply by x plus 1 multiply by y equally minus 8
- minus two multiply by x plus one multiply by y equally minus eight
- -2x+1y=-8
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Similar expressions
- 2*x+1*y=-8
- -2*x+1*y=+8
- -2*x-1*y=-8
Express x in terms of y where -2*x+1*y=-8
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Looking for similar summands in the left part:
Move the summands with the other variables
from left part to right part, we given:
$$- 2 x = - y - 8$$
Divide both parts of the equation by -2
We get the answer: x = 4 + y/2
-2*x+1*y = -8
Looking for similar summands in the left part:
y - 2*x = -8
Move the summands with the other variables
from left part to right part, we given:
$$- 2 x = - y - 8$$
Divide both parts of the equation by -2
x = -8 - y / (-2)
We get the answer: x = 4 + y/2
Rapid solution
[src]
re(y) I*im(y)
x1 = 4 + ----- + -------
2 2
$$x_{1} = \frac{\operatorname{re}{\left(y\right)}}{2} + \frac{i \operatorname{im}{\left(y\right)}}{2} + 4$$
x1 = re(y)/2 + i*im(y)/2 + 4