(3x+6)+x=86

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Solution for (3x+6)+x=86 equation:


Simplifying
(3x + 6) + x = 86

Reorder the terms:
(6 + 3x) + x = 86

Remove parenthesis around (6 + 3x)
6 + 3x + x = 86

Combine like terms: 3x + x = 4x
6 + 4x = 86

Solving
6 + 4x = 86

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 86 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 86 + -6
4x = 86 + -6

Combine like terms: 86 + -6 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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