Mister Exam

Lang:

How to use it?
Equation:
Equation 12-(4-x)^2=x(3-x)
Equation 3^x=-3
Equation x^2-7*x+5=0
Equation (x+1)^2=0
Express {x} in terms of y where:
-11*x-14*y=6
-17*x+9*y=-18
15*x+6*y=16
16*x-1*y=17
Identical expressions
one / five x+ two /3x= twenty-three /5
1 divide by 5x plus 2 divide by 3x equally 23 divide by 5
one divide by five x plus two divide by 3x equally twenty minus three divide by 5
1 divide by 5x+2 divide by 3x=23 divide by 5
Similar expressions
1/5*x+2/3*x=15
(x-2)^(3/5)*(5(x-2)^(2/5))=0
1/5x-2/3x=23/5

1/5x+2/3x=23/5 equation

The teacher will be very surprised to see your correct solution 😉

You have entered [src]

x   2*x       
- + --- = 23/5
5    3

$$\frac{x}{5} + \frac{2 x}{3} = \frac{23}{5}$$

Simplify

Detail solution

Given the linear equation:

1/5*x+2/3*x = 23/5

Looking for similar summands in the left part:

13*x/15 = 23/5

Divide both parts of the equation by 13/15

x = 23/5 / (13/15)

We get the answer: x = 69/13

The graph

Plot the graph f1(x)

Plot the graph f2(x)

Rapid solution [src]

     69
x1 = --
     13

$$x_{1} = \frac{69}{13}$$

x1 = 69/13

Sum and product of roots [src]

sum

69
--
13

$$\frac{69}{13}$$

69
--
13

$$\frac{69}{13}$$

product

69
--
13

$$\frac{69}{13}$$

69
--
13

$$\frac{69}{13}$$

69/13

Numerical answer [src]

x1 = 5.30769230769231

x1 = 5.30769230769231