X+6x-9=-21

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Solution for X+6x-9=-21 equation:


Simplifying
X + 6x + -9 = -21

Reorder the terms:
-9 + X + 6x = -21

Solving
-9 + X + 6x = -21

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + X + 9 + 6x = -21 + 9

Reorder the terms:
-9 + 9 + X + 6x = -21 + 9

Combine like terms: -9 + 9 = 0
0 + X + 6x = -21 + 9
X + 6x = -21 + 9

Combine like terms: -21 + 9 = -12
X + 6x = -12

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

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

Simplifying
X = -12 + -6x

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