9+4x-12=3x+5x+8

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Solution for 9+4x-12=3x+5x+8 equation:


Simplifying
9 + 4x + -12 = 3x + 5x + 8

Reorder the terms:
9 + -12 + 4x = 3x + 5x + 8

Combine like terms: 9 + -12 = -3
-3 + 4x = 3x + 5x + 8

Reorder the terms:
-3 + 4x = 8 + 3x + 5x

Combine like terms: 3x + 5x = 8x
-3 + 4x = 8 + 8x

Solving
-3 + 4x = 8 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-3 + 4x + -8x = 8 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-3 + -4x = 8 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -4x = 8 + 0
-3 + -4x = 8

Add '3' to each side of the equation.
-3 + 3 + -4x = 8 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = 8 + 3
-4x = 8 + 3

Combine like terms: 8 + 3 = 11
-4x = 11

Divide each side by '-4'.
x = -2.75

Simplifying
x = -2.75

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