30=X+(X+1)+(X+2)

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Solution for 30=X+(X+1)+(X+2) equation: 


Simplifying
30 = X + (X + 1) + (X + 2)

Reorder the terms:
30 = X + (1 + X) + (X + 2)

Remove parenthesis around (1 + X)
30 = X + 1 + X + (X + 2)

Reorder the terms:
30 = X + 1 + X + (2 + X)

Remove parenthesis around (2 + X)
30 = X + 1 + X + 2 + X

Reorder the terms:
30 = 1 + 2 + X + X + X

Combine like terms: 1 + 2 = 3
30 = 3 + X + X + X

Combine like terms: X + X = 2X
30 = 3 + 2X + X

Combine like terms: 2X + X = 3X
30 = 3 + 3X

Solving
30 = 3 + 3X

Solving for variable 'X'.

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

Add '-3X' to each side of the equation.
30 + -3X = 3 + 3X + -3X

Combine like terms: 3X + -3X = 0
30 + -3X = 3 + 0
30 + -3X = 3

Add '-30' to each side of the equation.
30 + -30 + -3X = 3 + -30

Combine like terms: 30 + -30 = 0
0 + -3X = 3 + -30
-3X = 3 + -30

Combine like terms: 3 + -30 = -27
-3X = -27

Divide each side by '-3'.
X = 9

Simplifying
X = 9

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