X+(6+x)+2(6+x)=74

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Solution for X+(6+x)+2(6+x)=74 equation: 


Simplifying
X + (6 + x) + 2(6 + x) = 74

Remove parenthesis around (6 + x)
X + 6 + x + 2(6 + x) = 74
X + 6 + x + (6 * 2 + x * 2) = 74
X + 6 + x + (12 + 2x) = 74

Reorder the terms:
6 + 12 + X + x + 2x = 74

Combine like terms: 6 + 12 = 18
18 + X + x + 2x = 74

Combine like terms: x + 2x = 3x
18 + X + 3x = 74

Solving
18 + X + 3x = 74

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + X + -18 + 3x = 74 + -18

Reorder the terms:
18 + -18 + X + 3x = 74 + -18

Combine like terms: 18 + -18 = 0
0 + X + 3x = 74 + -18
X + 3x = 74 + -18

Combine like terms: 74 + -18 = 56
X + 3x = 56

Add '-3x' to each side of the equation.
X + 3x + -3x = 56 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 56 + -3x
X = 56 + -3x

Simplifying
X = 56 + -3x

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