Mister Exam
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How to use it?
- Express {x} in terms of y where:
- 4*x+8*y=7
- -14*x+5*y=3
- 13*x-18*y=-17
- 4*x+18*y=-7
- Equation:
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Equation x/4+13=x+1
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Equation 4(x-8)=-5
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Equation 5(x-2)^2=-6x-44
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Equation 2^x=5
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Identical expressions
- - fourteen *x+ five *y= three
- minus 14 multiply by x plus 5 multiply by y equally 3
- minus fourteen multiply by x plus five multiply by y equally three
- -14x+5y=3
-
Similar expressions
- -14*x-5*y=3
- 14*x+5*y=3
Express x in terms of y where -14*x+5*y=3
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:
$$- 14 x = 3 - 5 y$$
Divide both parts of the equation by -14
We get the answer: x = -3/14 + 5*y/14
-14*x+5*y = 3
Looking for similar summands in the left part:
-14*x + 5*y = 3
Move the summands with the other variables
from left part to right part, we given:
$$- 14 x = 3 - 5 y$$
Divide both parts of the equation by -14
x = 3 - 5*y / (-14)
We get the answer: x = -3/14 + 5*y/14
Rapid solution
[src]
3 5*re(y) 5*I*im(y)
x1 = - -- + ------- + ---------
14 14 14
$$x_{1} = \frac{5 \operatorname{re}{\left(y\right)}}{14} + \frac{5 i \operatorname{im}{\left(y\right)}}{14} - \frac{3}{14}$$
x1 = 5*re(y)/14 + 5*i*im(y)/14 - 3/14