X+(x+3)+(x+17)=31

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Solution for X+(x+3)+(x+17)=31 equation:


Simplifying
X + (x + 3) + (x + 17) = 31

Reorder the terms:
X + (3 + x) + (x + 17) = 31

Remove parenthesis around (3 + x)
X + 3 + x + (x + 17) = 31

Reorder the terms:
X + 3 + x + (17 + x) = 31

Remove parenthesis around (17 + x)
X + 3 + x + 17 + x = 31

Reorder the terms:
3 + 17 + X + x + x = 31

Combine like terms: 3 + 17 = 20
20 + X + x + x = 31

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

Solving
20 + X + 2x = 31

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + X + -20 + 2x = 31 + -20

Reorder the terms:
20 + -20 + X + 2x = 31 + -20

Combine like terms: 20 + -20 = 0
0 + X + 2x = 31 + -20
X + 2x = 31 + -20

Combine like terms: 31 + -20 = 11
X + 2x = 11

Add '-2x' to each side of the equation.
X + 2x + -2x = 11 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 11 + -2x
X = 11 + -2x

Simplifying
X = 11 + -2x

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