6x+39=21

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Solution for 6x+39=21 equation: 


Simplifying
6x + 39 = 21

Reorder the terms:
39 + 6x = 21

Solving
39 + 6x = 21

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 6x = 21 + -39

Combine like terms: 39 + -39 = 0
0 + 6x = 21 + -39
6x = 21 + -39

Combine like terms: 21 + -39 = -18
6x = -18

Divide each side by '6'.
x = -3

Simplifying
x = -3

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