4x=13x-21

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Solution for 4x=13x-21 equation: 


Simplifying
4x = 13x + -21

Reorder the terms:
4x = -21 + 13x

Solving
4x = -21 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
4x + -13x = -21 + 13x + -13x

Combine like terms: 4x + -13x = -9x
-9x = -21 + 13x + -13x

Combine like terms: 13x + -13x = 0
-9x = -21 + 0
-9x = -21

Divide each side by '-9'.
x = 2.333333333

Simplifying
x = 2.333333333

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