13x=4x-9

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Solution for 13x=4x-9 equation: 


Simplifying
13x = 4x + -9

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

Solving
13x = -9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
13x + -4x = -9 + 4x + -4x

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

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

Divide each side by '9'.
x = -1

Simplifying
x = -1

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