Mister Exam
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How to use it?
- Express {x} in terms of y where:
- 2*x+2*y=-6
- 7*x+20*y=-17
- 12*x+14*y=-15
- -11*x+10*y=-9
- Equation:
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Equation e^x=0
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Equation x^2=10
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Equation cos(x)=3
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Equation x^2-3x-4=0
- Integral of d{x}:
- 2*x+2*y
- 2*x+2*y
- Sum of series:
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-6
- Limit of the function:
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-6
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Identical expressions
- two *x+ two *y=- six
- 2 multiply by x plus 2 multiply by y equally minus 6
- two multiply by x plus two multiply by y equally minus six
- 2x+2y=-6
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Similar expressions
- 2*x-2*y=-6
- 2*x+2*y=+6
Express x in terms of y where 2*x+2*y=-6
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:
$$2 x = - 2 y - 6$$
Divide both parts of the equation by 2
We get the answer: x = -3 - y
2*x+2*y = -6
Looking for similar summands in the left part:
2*x + 2*y = -6
Move the summands with the other variables
from left part to right part, we given:
$$2 x = - 2 y - 6$$
Divide both parts of the equation by 2
x = -6 - 2*y / (2)
We get the answer: x = -3 - y
Rapid solution
[src]
x1 = -3 - re(y) - I*im(y)
$$x_{1} = - \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 3$$
x1 = -re(y) - i*im(y) - 3