4x-13x+21=0

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Solution for 4x-13x+21=0 equation:


Simplifying
4x + -13x + 21 = 0

Reorder the terms:
21 + 4x + -13x = 0

Combine like terms: 4x + -13x = -9x
21 + -9x = 0

Solving
21 + -9x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -9x = 0 + -21

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

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

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

Simplifying
x = 2.333333333

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