Mister Exam
Other calculators
-
How to use it?
- Express {x} in terms of y where:
- 7*x+19*y=12
- -18*x+8*y=-2
- -9*x+5*y=-2
- 5*x+4*y=-12
- Equation:
-
Equation x^4+2*x^2-8=0
- Equation z^2+3+4*i=0
-
Equation x^2-4x=0
-
Equation (x+2)^4-4*(x+2)^2-5=0
- Sum of series:
-
-2
- Integral of d{x}:
-
-2
- Derivative of:
-
-2
-
Identical expressions
- - nine *x+ five *y=- two
- minus 9 multiply by x plus 5 multiply by y equally minus 2
- minus nine multiply by x plus five multiply by y equally minus two
- -9x+5y=-2
-
Similar expressions
- -9*x-5*y=-2
- 9*x+5*y=-2
- -9*x+5*y=+2
Express x in terms of y where -9*x+5*y=-2
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:
$$- 9 x = - 5 y - 2$$
Divide both parts of the equation by -9
We get the answer: x = 2/9 + 5*y/9
-9*x+5*y = -2
Looking for similar summands in the left part:
-9*x + 5*y = -2
Move the summands with the other variables
from left part to right part, we given:
$$- 9 x = - 5 y - 2$$
Divide both parts of the equation by -9
x = -2 - 5*y / (-9)
We get the answer: x = 2/9 + 5*y/9
Rapid solution
[src]
2 5*re(y) 5*I*im(y)
x1 = - + ------- + ---------
9 9 9
$$x_{1} = \frac{5 \operatorname{re}{\left(y\right)}}{9} + \frac{5 i \operatorname{im}{\left(y\right)}}{9} + \frac{2}{9}$$
x1 = 5*re(y)/9 + 5*i*im(y)/9 + 2/9