X+28=3x+21+3x-9

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Solution for X+28=3x+21+3x-9 equation:


Simplifying
X + 28 = 3x + 21 + 3x + -9

Reorder the terms:
28 + X = 3x + 21 + 3x + -9

Reorder the terms:
28 + X = 21 + -9 + 3x + 3x

Combine like terms: 21 + -9 = 12
28 + X = 12 + 3x + 3x

Combine like terms: 3x + 3x = 6x
28 + X = 12 + 6x

Solving
28 + X = 12 + 6x

Solving for variable 'X'.

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

Add '-28' to each side of the equation.
28 + -28 + X = 12 + -28 + 6x

Combine like terms: 28 + -28 = 0
0 + X = 12 + -28 + 6x
X = 12 + -28 + 6x

Combine like terms: 12 + -28 = -16
X = -16 + 6x

Simplifying
X = -16 + 6x

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