8x-4(3+5x)=8 equation

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You have entered [src]

8*x - 4*(3 + 5*x) = 8

$$8 x - 4 \left(5 x + 3\right) = 8$$

Simplify

Detail solution

Given the linear equation:

8*x-4*(3+5*x) = 8

Expand brackets in the left part

8*x-4*3-4*5*x = 8

Looking for similar summands in the left part:

-12 - 12*x = 8

Move free summands (without x)
from left part to right part, we given:
$$- 12 x = 20$$
Divide both parts of the equation by -12

x = 20 / (-12)

We get the answer: x = -5/3

The graph

Plot the graph f1(x)

Plot the graph f2(x)

Rapid solution [src]

x1 = -5/3

$$x_{1} = - \frac{5}{3}$$

x1 = -5/3

Sum and product of roots [src]

sum

-5/3

$$- \frac{5}{3}$$

-5/3

$$- \frac{5}{3}$$

product

-5/3

$$- \frac{5}{3}$$

-5/3

$$- \frac{5}{3}$$

-5/3

Numerical answer [src]

x1 = -1.66666666666667

x1 = -1.66666666666667