Mister Exam

-1-3x=2x+1 equation

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Numerical solution:

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The solution

You have entered [src]
-1 - 3*x = 2*x + 1
$$- 3 x - 1 = 2 x + 1$$
Detail solution
Given the linear equation:
-1-3*x = 2*x+1

Move free summands (without x)
from left part to right part, we given:
$$- 3 x = 2 x + 2$$
Move the summands with the unknown x
from the right part to the left part:
$$\left(-5\right) x = 2$$
Divide both parts of the equation by -5
x = 2 / (-5)

We get the answer: x = -2/5
The graph
Sum and product of roots [src]
sum
-2/5
$$- \frac{2}{5}$$
=
-2/5
$$- \frac{2}{5}$$
product
-2/5
$$- \frac{2}{5}$$
=
-2/5
$$- \frac{2}{5}$$
-2/5
Rapid solution [src]
x1 = -2/5
$$x_{1} = - \frac{2}{5}$$
x1 = -2/5
Numerical answer [src]
x1 = -0.4
x1 = -0.4
The graph
-1-3x=2x+1 equation