(X+4)+(x+6)+x=31

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Solution for (X+4)+(x+6)+x=31 equation:


Simplifying
(X + 4) + (x + 6) + x = 31

Reorder the terms:
(4 + X) + (x + 6) + x = 31

Remove parenthesis around (4 + X)
4 + X + (x + 6) + x = 31

Reorder the terms:
4 + X + (6 + x) + x = 31

Remove parenthesis around (6 + x)
4 + X + 6 + x + x = 31

Reorder the terms:
4 + 6 + X + x + x = 31

Combine like terms: 4 + 6 = 10
10 + X + x + x = 31

Combine like terms: x + x = 2x
10 + X + 2x = 31

Solving
10 + X + 2x = 31

Solving for variable 'X'.

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

Add '-10' to each side of the equation.
10 + X + -10 + 2x = 31 + -10

Reorder the terms:
10 + -10 + X + 2x = 31 + -10

Combine like terms: 10 + -10 = 0
0 + X + 2x = 31 + -10
X + 2x = 31 + -10

Combine like terms: 31 + -10 = 21
X + 2x = 21

Add '-2x' to each side of the equation.
X + 2x + -2x = 21 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 21 + -2x
X = 21 + -2x

Simplifying
X = 21 + -2x

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