Mister Exam
Other calculators
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How to use it?
- Express {x} in terms of y where:
- 19*x-3*y=-12
- 17*x-7*y=15
- 14*x+3*y=-4
- 14*x-4*y=14
- Equation:
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Equation (x-4)/(x-6)=2
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Equation e^x=2
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Equation x/3+x/4=-21
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Equation x^2+4*x=21
- Derivative of:
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18
- Sum of series:
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18
- The double integral of:
- 18
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Identical expressions
- eight *x+ eleven *y= eighteen
- 8 multiply by x plus 11 multiply by y equally 18
- eight multiply by x plus eleven multiply by y equally eighteen
- 8x+11y=18
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Similar expressions
- 8*x-11*y=18
Express x in terms of y where 8*x+11*y=18
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:
$$8 x = 18 - 11 y$$
Divide both parts of the equation by 8
We get the answer: x = 9/4 - 11*y/8
8*x+11*y = 18
Looking for similar summands in the left part:
8*x + 11*y = 18
Move the summands with the other variables
from left part to right part, we given:
$$8 x = 18 - 11 y$$
Divide both parts of the equation by 8
x = 18 - 11*y / (8)
We get the answer: x = 9/4 - 11*y/8
Rapid solution
[src]
9 11*re(y) 11*I*im(y)
x1 = - - -------- - ----------
4 8 8
$$x_{1} = - \frac{11 \operatorname{re}{\left(y\right)}}{8} - \frac{11 i \operatorname{im}{\left(y\right)}}{8} + \frac{9}{4}$$
x1 = -11*re(y)/8 - 11*i*im(y)/8 + 9/4