X+12=8x-21

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Solution for X+12=8x-21 equation:


Simplifying
X + 12 = 8x + -21

Reorder the terms:
12 + X = 8x + -21

Reorder the terms:
12 + X = -21 + 8x

Solving
12 + X = -21 + 8x

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + X = -21 + -12 + 8x

Combine like terms: 12 + -12 = 0
0 + X = -21 + -12 + 8x
X = -21 + -12 + 8x

Combine like terms: -21 + -12 = -33
X = -33 + 8x

Simplifying
X = -33 + 8x

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