3x+39=-21

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Solution for 3x+39=-21 equation: 


Simplifying
3x + 39 = -21

Reorder the terms:
39 + 3x = -21

Solving
39 + 3x = -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 + 3x = -21 + -39

Combine like terms: 39 + -39 = 0
0 + 3x = -21 + -39
3x = -21 + -39

Combine like terms: -21 + -39 = -60
3x = -60

Divide each side by '3'.
x = -20

Simplifying
x = -20

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