Mister Exam
Other calculators
-
How to use it?
- Express {x} in terms of y where:
- 10*x-6*y=10
- 20*x+6*y=7
- 17*x-7*y=7
- 3*x+9*y=7
- Equation:
- Equation 64-x^2=0
-
Equation 2*x^2+7*x-4=0
-
Equation 11/(x+4)=-11/7
-
Equation x^6=(x-5)^3
-
Identical expressions
- three *x+ nine *y= seven
- 3 multiply by x plus 9 multiply by y equally 7
- three multiply by x plus nine multiply by y equally seven
- 3x+9y=7
-
Similar expressions
- 3*x-9*y=7
Express x in terms of y where 3*x+9*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:
$$3 x = 7 - 9 y$$
Divide both parts of the equation by 3
We get the answer: x = 7/3 - 3*y
3*x+9*y = 7
Looking for similar summands in the left part:
3*x + 9*y = 7
Move the summands with the other variables
from left part to right part, we given:
$$3 x = 7 - 9 y$$
Divide both parts of the equation by 3
x = 7 - 9*y / (3)
We get the answer: x = 7/3 - 3*y
Rapid solution
[src]
x1 = 7/3 - 3*re(y) - 3*I*im(y)
$$x_{1} = - 3 \operatorname{re}{\left(y\right)} - 3 i \operatorname{im}{\left(y\right)} + \frac{7}{3}$$
x1 = -3*re(y) - 3*i*im(y) + 7/3