4x-12=9x+3

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Solution for 4x-12=9x+3 equation:


Simplifying
4x + -12 = 9x + 3

Reorder the terms:
-12 + 4x = 9x + 3

Reorder the terms:
-12 + 4x = 3 + 9x

Solving
-12 + 4x = 3 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-12 + 4x + -9x = 3 + 9x + -9x

Combine like terms: 4x + -9x = -5x
-12 + -5x = 3 + 9x + -9x

Combine like terms: 9x + -9x = 0
-12 + -5x = 3 + 0
-12 + -5x = 3

Add '12' to each side of the equation.
-12 + 12 + -5x = 3 + 12

Combine like terms: -12 + 12 = 0
0 + -5x = 3 + 12
-5x = 3 + 12

Combine like terms: 3 + 12 = 15
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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