13x+9-4x=3x-4

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Solution for 13x+9-4x=3x-4 equation:


Simplifying
13x + 9 + -4x = 3x + -4

Reorder the terms:
9 + 13x + -4x = 3x + -4

Combine like terms: 13x + -4x = 9x
9 + 9x = 3x + -4

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

Solving
9 + 9x = -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 + 9x + -3x = -4 + 3x + -3x

Combine like terms: 9x + -3x = 6x
9 + 6x = -4 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 6x = -4 + 0
9 + 6x = -4

Add '-9' to each side of the equation.
9 + -9 + 6x = -4 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = -4 + -9
6x = -4 + -9

Combine like terms: -4 + -9 = -13
6x = -13

Divide each side by '6'.
x = -2.166666667

Simplifying
x = -2.166666667

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