Mister Exam
Other calculators
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How to use it?
- Express {x} in terms of y where:
- 18*x+19*y=7
- 8*x-13*y=-12
- 1*x+6*y=6
- -6*x+1*y=-5
- Equation:
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Equation x+12=5
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Equation 1-x/2=x/3
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Equation x^2+x=12
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Equation x^4=(x-56)^2
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Identical expressions
- - fifteen *x+ three *y= seven
- minus 15 multiply by x plus 3 multiply by y equally 7
- minus fifteen multiply by x plus three multiply by y equally seven
- -15x+3y=7
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Similar expressions
- -15*x-3*y=7
- 15*x+3*y=7
Express x in terms of y where -15*x+3*y=7
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:
$$- 15 x = 7 - 3 y$$
Divide both parts of the equation by -15
We get the answer: x = -7/15 + y/5
-15*x+3*y = 7
Looking for similar summands in the left part:
-15*x + 3*y = 7
Move the summands with the other variables
from left part to right part, we given:
$$- 15 x = 7 - 3 y$$
Divide both parts of the equation by -15
x = 7 - 3*y / (-15)
We get the answer: x = -7/15 + y/5
Rapid solution
[src]
7 re(y) I*im(y)
x1 = - -- + ----- + -------
15 5 5
$$x_{1} = \frac{\operatorname{re}{\left(y\right)}}{5} + \frac{i \operatorname{im}{\left(y\right)}}{5} - \frac{7}{15}$$
x1 = re(y)/5 + i*im(y)/5 - 7/15