Mister Exam
Other calculators
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How to use it?
- Express {x} in terms of y where:
- -5*x-2*y=9
- -10*x-12*y=-10
- 8*x+1*y=4
- 20*x-16*y=7
- Equation:
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Equation cos(x)-1=0
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Equation 2*x^2+5*x-12=0
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Equation x^2-35=2x
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Equation 9(x-5)=-x
- Integral of d{x}:
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-1
- Derivative of:
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-1
- Limit of the function:
- -1
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Identical expressions
- eight *x- nine *y=- one
- 8 multiply by x minus 9 multiply by y equally minus 1
- eight multiply by x minus nine multiply by y equally minus one
- 8x-9y=-1
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Similar expressions
- 8*x+9*y=-1
- 8*x-9*y=+1
Express x in terms of y where 8*x-9*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:
$$8 x = 9 y - 1$$
Divide both parts of the equation by 8
We get the answer: x = -1/8 + 9*y/8
8*x-9*y = -1
Looking for similar summands in the left part:
-9*y + 8*x = -1
Move the summands with the other variables
from left part to right part, we given:
$$8 x = 9 y - 1$$
Divide both parts of the equation by 8
x = -1 + 9*y / (8)
We get the answer: x = -1/8 + 9*y/8
Rapid solution
[src]
1 9*re(y) 9*I*im(y)
x1 = - - + ------- + ---------
8 8 8
$$x_{1} = \frac{9 \operatorname{re}{\left(y\right)}}{8} + \frac{9 i \operatorname{im}{\left(y\right)}}{8} - \frac{1}{8}$$
x1 = 9*re(y)/8 + 9*i*im(y)/8 - 1/8