21x-13=

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Solution for 21x-13= equation: 


Simplifying
21x + -13 = 0

Reorder the terms:
-13 + 21x = 0

Solving
-13 + 21x = 0

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 21x = 0 + 13

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

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

Divide each side by '21'.
x = 0.619047619

Simplifying
x = 0.619047619

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