(3x+6)=x+84

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Solution for (3x+6)=x+84 equation:


Simplifying
(3x + 6) = x + 84

Reorder the terms:
(6 + 3x) = x + 84

Remove parenthesis around (6 + 3x)
6 + 3x = x + 84

Reorder the terms:
6 + 3x = 84 + x

Solving
6 + 3x = 84 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
6 + 3x + -1x = 84 + x + -1x

Combine like terms: 3x + -1x = 2x
6 + 2x = 84 + x + -1x

Combine like terms: x + -1x = 0
6 + 2x = 84 + 0
6 + 2x = 84

Add '-6' to each side of the equation.
6 + -6 + 2x = 84 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 84 + -6
2x = 84 + -6

Combine like terms: 84 + -6 = 78
2x = 78

Divide each side by '2'.
x = 39

Simplifying
x = 39

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