x-3=9x-12x+6+12

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Solution for x-3=9x-12x+6+12 equation:


Simplifying
x + -3 = 9x + -12x + 6 + 12

Reorder the terms:
-3 + x = 9x + -12x + 6 + 12

Reorder the terms:
-3 + x = 6 + 12 + 9x + -12x

Combine like terms: 6 + 12 = 18
-3 + x = 18 + 9x + -12x

Combine like terms: 9x + -12x = -3x
-3 + x = 18 + -3x

Solving
-3 + x = 18 + -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.
-3 + x + 3x = 18 + -3x + 3x

Combine like terms: x + 3x = 4x
-3 + 4x = 18 + -3x + 3x

Combine like terms: -3x + 3x = 0
-3 + 4x = 18 + 0
-3 + 4x = 18

Add '3' to each side of the equation.
-3 + 3 + 4x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 18 + 3
4x = 18 + 3

Combine like terms: 18 + 3 = 21
4x = 21

Divide each side by '4'.
x = 5.25

Simplifying
x = 5.25

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