8x-2x-4=20

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Solution for 8x-2x-4=20 equation: 


Simplifying
8x + -2x + -4 = 20

Reorder the terms:
-4 + 8x + -2x = 20

Combine like terms: 8x + -2x = 6x
-4 + 6x = 20

Solving
-4 + 6x = 20

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 6x = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 6x = 20 + 4
6x = 20 + 4

Combine like terms: 20 + 4 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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