12-3x=9-4x-15x

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Solution for 12-3x=9-4x-15x equation:


Simplifying
12 + -3x = 9 + -4x + -15x

Combine like terms: -4x + -15x = -19x
12 + -3x = 9 + -19x

Solving
12 + -3x = 9 + -19x

Solving for variable 'x'.

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

Add '19x' to each side of the equation.
12 + -3x + 19x = 9 + -19x + 19x

Combine like terms: -3x + 19x = 16x
12 + 16x = 9 + -19x + 19x

Combine like terms: -19x + 19x = 0
12 + 16x = 9 + 0
12 + 16x = 9

Add '-12' to each side of the equation.
12 + -12 + 16x = 9 + -12

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

Combine like terms: 9 + -12 = -3
16x = -3

Divide each side by '16'.
x = -0.1875

Simplifying
x = -0.1875

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