x-45=78

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Solution for x-45=78 equation: 


Simplifying
x + -45 = 78

Reorder the terms:
-45 + x = 78

Solving
-45 + x = 78

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + x = 78 + 45

Combine like terms: -45 + 45 = 0
0 + x = 78 + 45
x = 78 + 45

Combine like terms: 78 + 45 = 123
x = 123

Simplifying
x = 123

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