Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 8x-15=-12+5x
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Equation x^2-x-7=0
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Equation 141*10^(-6)*x*3*sqrt(2)=sqrt((1-19881*10^(-12)*x^2)^2+9)
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Equation x^3-6*x^2+x-6=0
- Express {x} in terms of y where:
- -20*x-4*y=-14
- 17*x+9*y=0
- 12*x+10*y=14
- -19*x+19*y=16
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Identical expressions
- x/ fifteen - two / five =- two , three
- x divide by 15 minus 2 divide by 5 equally minus 2,3
- x divide by fifteen minus two divide by five equally minus two , three
- x divide by 15-2 divide by 5=-2,3
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Similar expressions
- 2+1/6x-(2,3x-23)=65
- x/15-2/5=+2,3
- x/15+2/5=-2,3
x/15-2/5=-2,3 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
x 2 -23 -- - - = ---- 15 5 10
$$\frac{x}{15} - \frac{2}{5} = - \frac{23}{10}$$
Detail solution
Given the linear equation:
Expand brackets in the right part
Move free summands (without x)
from left part to right part, we given:
$$\frac{x}{15} = - \frac{19}{10}$$
Divide both parts of the equation by 1/15
We get the answer: x = -57/2
x/15-2/5 = -(23/10)
Expand brackets in the right part
x/15-2/5 = -23/10
Move free summands (without x)
from left part to right part, we given:
$$\frac{x}{15} = - \frac{19}{10}$$
Divide both parts of the equation by 1/15
x = -19/10 / (1/15)
We get the answer: x = -57/2
Sum and product of roots
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sum
-57/2
$$- \frac{57}{2}$$
=
-57/2
$$- \frac{57}{2}$$
product
-57/2
$$- \frac{57}{2}$$
=
-57/2
$$- \frac{57}{2}$$
-57/2