Mister Exam
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How to use it?
- Express {x} in terms of y where:
- -14*x-16*y=14
- 16*x-17*y=-9
- -14*x-3*y=-5
- -16*x-20*y=6
- Equation:
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Equation 2+3x=-2x-13
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Equation cos(x)=-(1/2)
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Equation |x^2-1|-|x-3|=7
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Equation 2*x^2+6*x+9=0
- Derivative of:
- 14
- Integral of d{x}:
-
14
- Sum of series:
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14
-
Identical expressions
- - fourteen *x- sixteen *y= fourteen
- minus 14 multiply by x minus 16 multiply by y equally 14
- minus fourteen multiply by x minus sixteen multiply by y equally fourteen
- -14x-16y=14
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Similar expressions
- -14*x+16*y=14
- 14*x-16*y=14
Express x in terms of y where -14*x-16*y=14
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:
$$- 14 x = 16 y + 14$$
Divide both parts of the equation by -14
We get the answer: x = -1 - 8*y/7
-14*x-16*y = 14
Looking for similar summands in the left part:
-16*y - 14*x = 14
Move the summands with the other variables
from left part to right part, we given:
$$- 14 x = 16 y + 14$$
Divide both parts of the equation by -14
x = 14 + 16*y / (-14)
We get the answer: x = -1 - 8*y/7
Rapid solution
[src]
8*re(y) 8*I*im(y)
x1 = -1 - ------- - ---------
7 7
$$x_{1} = - \frac{8 \operatorname{re}{\left(y\right)}}{7} - \frac{8 i \operatorname{im}{\left(y\right)}}{7} - 1$$
x1 = -8*re(y)/7 - 8*i*im(y)/7 - 1