X+(X+8)=72

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Solution for X+(X+8)=72 equation:


Simplifying
X + (X + 8) = 72

Reorder the terms:
X + (8 + X) = 72

Remove parenthesis around (8 + X)
X + 8 + X = 72

Reorder the terms:
8 + X + X = 72

Combine like terms: X + X = 2X
8 + 2X = 72

Solving
8 + 2X = 72

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + 2X = 72 + -8

Combine like terms: 8 + -8 = 0
0 + 2X = 72 + -8
2X = 72 + -8

Combine like terms: 72 + -8 = 64
2X = 64

Divide each side by '2'.
X = 32

Simplifying
X = 32

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