4x+4=9x-12

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


Simplifying
4x + 4 = 9x + -12

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

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

Solving
4 + 4x = -12 + 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.
4 + 4x + -9x = -12 + 9x + -9x

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

Combine like terms: 9x + -9x = 0
4 + -5x = -12 + 0
4 + -5x = -12

Add '-4' to each side of the equation.
4 + -4 + -5x = -12 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = -12 + -4
-5x = -12 + -4

Combine like terms: -12 + -4 = -16
-5x = -16

Divide each side by '-5'.
x = 3.2

Simplifying
x = 3.2

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