Mister Exam
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How to use it?
- Equation:
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Equation x^6=-3
- Equation 2×3^x+3+3^x+5=99
- Equation 1/3x-+4=2+4
- Equation xy+48y=10,2
- Express {x} in terms of y where:
- -1*x+18*y=8
- 2*x-19*y=-20
- -15*x-20*y=14
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Identical expressions
- -12n- three =11n- six
- minus 12n minus 3 equally 11n minus 6
- minus 12n minus three equally 11n minus six
-
Similar expressions
- -12n+3=11n-6
- 12n-3=11n-6
- -12n-3=11n+6
-12n-3=11n-6 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Move free summands (without n)
from left part to right part, we given:
$$- 12 n = 11 n - 3$$
Move the summands with the unknown n
from the right part to the left part:
$$\left(-23\right) n = -3$$
Divide both parts of the equation by -23
We get the answer: n = 3/23
-12*n-3 = 11*n-6
Move free summands (without n)
from left part to right part, we given:
$$- 12 n = 11 n - 3$$
Move the summands with the unknown n
from the right part to the left part:
$$\left(-23\right) n = -3$$
Divide both parts of the equation by -23
n = -3 / (-23)
We get the answer: n = 3/23
Sum and product of roots
[src]
sum
3/23
$$\frac{3}{23}$$
=
3/23
$$\frac{3}{23}$$
product
3/23
$$\frac{3}{23}$$
=
3/23
$$\frac{3}{23}$$
3/23