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

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


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

Reorder the terms:
9 + 15x + -4x = 3x + -4

Combine like terms: 15x + -4x = 11x
9 + 11x = 3x + -4

Reorder the terms:
9 + 11x = -4 + 3x

Solving
9 + 11x = -4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 11x + -3x = -4 + 3x + -3x

Combine like terms: 11x + -3x = 8x
9 + 8x = -4 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 8x = -4 + 0
9 + 8x = -4

Add '-9' to each side of the equation.
9 + -9 + 8x = -4 + -9

Combine like terms: 9 + -9 = 0
0 + 8x = -4 + -9
8x = -4 + -9

Combine like terms: -4 + -9 = -13
8x = -13

Divide each side by '8'.
x = -1.625

Simplifying
x = -1.625

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