Mister Exam
Other calculators
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How to use it?
- Express {x} in terms of y where:
- -7*x-20*y=-5
- 5*x-6*y=3
- -20*x+17*y=-16
- -8*x-2*y=-15
- Equation:
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Equation sin(x)=cos(x)
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Equation x^3=3
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Equation cos(x)=(-1/2)
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Equation sin(x-1)=0
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Identical expressions
- - eight *x- eleven *y= one
- minus 8 multiply by x minus 11 multiply by y equally 1
- minus eight multiply by x minus eleven multiply by y equally one
- -8x-11y=1
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Similar expressions
- 8*x-11*y=1
- -8*x+11*y=1
Express x in terms of y where -8*x-11*y=1
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:
$$- 8 x = 11 y + 1$$
Divide both parts of the equation by -8
We get the answer: x = -1/8 - 11*y/8
-8*x-11*y = 1
Looking for similar summands in the left part:
-11*y - 8*x = 1
Move the summands with the other variables
from left part to right part, we given:
$$- 8 x = 11 y + 1$$
Divide both parts of the equation by -8
x = 1 + 11*y / (-8)
We get the answer: x = -1/8 - 11*y/8
Rapid solution
[src]
1 11*re(y) 11*I*im(y)
x1 = - - - -------- - ----------
8 8 8
$$x_{1} = - \frac{11 \operatorname{re}{\left(y\right)}}{8} - \frac{11 i \operatorname{im}{\left(y\right)}}{8} - \frac{1}{8}$$
x1 = -11*re(y)/8 - 11*i*im(y)/8 - 1/8