Mister Exam
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How to use it?
- Express {x} in terms of y where:
- -16*x-19*y=-4
- -1*x+1*y=18
- -12*x+10*y=19
- -20*x-20*y=-9
- Equation:
-
Equation cos(x)-1=0
-
Equation -2*x-7=-4*x
-
Equation (x+3)^4-4(x+3)^2-5=0
-
Equation x^2+14*x+24=0
- Derivative of:
- -4
- Integral of d{x}:
-
-4
- Limit of the function:
- -4
-
Identical expressions
- - nine *x+ seventeen *y=- four
- minus 9 multiply by x plus 17 multiply by y equally minus 4
- minus nine multiply by x plus seventeen multiply by y equally minus four
- -9x+17y=-4
-
Similar expressions
- -9*x+17*y=+4
- 9*x+17*y=-4
- -9*x-17*y=-4
Express x in terms of y where -9*x+17*y=-4
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:
$$- 9 x = - 17 y - 4$$
Divide both parts of the equation by -9
We get the answer: x = 4/9 + 17*y/9
-9*x+17*y = -4
Looking for similar summands in the left part:
-9*x + 17*y = -4
Move the summands with the other variables
from left part to right part, we given:
$$- 9 x = - 17 y - 4$$
Divide both parts of the equation by -9
x = -4 - 17*y / (-9)
We get the answer: x = 4/9 + 17*y/9
Rapid solution
[src]
4 17*re(y) 17*I*im(y)
x1 = - + -------- + ----------
9 9 9
$$x_{1} = \frac{17 \operatorname{re}{\left(y\right)}}{9} + \frac{17 i \operatorname{im}{\left(y\right)}}{9} + \frac{4}{9}$$
x1 = 17*re(y)/9 + 17*i*im(y)/9 + 4/9