30+x+9=0

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Solution for 30+x+9=0 equation: 


Simplifying
30 + x + 9 = 0

Reorder the terms:
30 + 9 + x = 0

Combine like terms: 30 + 9 = 39
39 + x = 0

Solving
39 + x = 0

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 + x = 0 + -39

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

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

Simplifying
x = -39

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