8x+5=12x-9

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Solution for 8x+5=12x-9 equation:


Simplifying
8x + 5 = 12x + -9

Reorder the terms:
5 + 8x = 12x + -9

Reorder the terms:
5 + 8x = -9 + 12x

Solving
5 + 8x = -9 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
5 + 8x + -12x = -9 + 12x + -12x

Combine like terms: 8x + -12x = -4x
5 + -4x = -9 + 12x + -12x

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

Add '-5' to each side of the equation.
5 + -5 + -4x = -9 + -5

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

Combine like terms: -9 + -5 = -14
-4x = -14

Divide each side by '-4'.
x = 3.5

Simplifying
x = 3.5

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