123456789+x=123456780

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Solution for 123456789+x=123456780 equation: 


Simplifying
123456789 + x = 123456780

Solving
123456789 + x = 123456780

Solving for variable 'x'.

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

Add '-123456789' to each side of the equation.
123456789 + -123456789 + x = 123456780 + -123456789

Combine like terms: 123456789 + -123456789 = 0
0 + x = 123456780 + -123456789
x = 123456780 + -123456789

Combine like terms: 123456780 + -123456789 = -9
x = -9

Simplifying
x = -9

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