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(8x+12):12-(3x+6):12=3

(8x+12):12-(3x+6):12=3 equation

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Numerical solution:

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The solution

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8*x + 12   3*x + 6    
-------- - ------- = 3
   12         12      
$$- \frac{3 x + 6}{12} + \frac{8 x + 12}{12} = 3$$
Detail solution
Given the linear equation:
(8*x+12)/12-(3*x+6)/12 = 3

Expand brackets in the left part
8*x/12+12/12-3*x/12-6/12 = 3

Looking for similar summands in the left part:
1/2 + 5*x/12 = 3

Move free summands (without x)
from left part to right part, we given:
$$\frac{5 x}{12} = \frac{5}{2}$$
Divide both parts of the equation by 5/12
x = 5/2 / (5/12)

We get the answer: x = 6
The graph
Rapid solution [src]
x_1 = 6
$$x_{1} = 6$$
Sum and product of roots [src]
sum
6
$$\left(6\right)$$
=
6
$$6$$
product
6
$$\left(6\right)$$
=
6
$$6$$
Numerical answer [src]
x1 = 6.0
x1 = 6.0
The graph
(8x+12):12-(3x+6):12=3 equation