9-4x=12x+15

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Solution for 9-4x=12x+15 equation:


Simplifying
9 + -4x = 12x + 15

Reorder the terms:
9 + -4x = 15 + 12x

Solving
9 + -4x = 15 + 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.
9 + -4x + -12x = 15 + 12x + -12x

Combine like terms: -4x + -12x = -16x
9 + -16x = 15 + 12x + -12x

Combine like terms: 12x + -12x = 0
9 + -16x = 15 + 0
9 + -16x = 15

Add '-9' to each side of the equation.
9 + -9 + -16x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + -16x = 15 + -9
-16x = 15 + -9

Combine like terms: 15 + -9 = 6
-16x = 6

Divide each side by '-16'.
x = -0.375

Simplifying
x = -0.375

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