12x-13=3x-9

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Solution for 12x-13=3x-9 equation:


Simplifying
12x + -13 = 3x + -9

Reorder the terms:
-13 + 12x = 3x + -9

Reorder the terms:
-13 + 12x = -9 + 3x

Solving
-13 + 12x = -9 + 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.
-13 + 12x + -3x = -9 + 3x + -3x

Combine like terms: 12x + -3x = 9x
-13 + 9x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-13 + 9x = -9 + 0
-13 + 9x = -9

Add '13' to each side of the equation.
-13 + 13 + 9x = -9 + 13

Combine like terms: -13 + 13 = 0
0 + 9x = -9 + 13
9x = -9 + 13

Combine like terms: -9 + 13 = 4
9x = 4

Divide each side by '9'.
x = 0.4444444444

Simplifying
x = 0.4444444444

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