x+3-81=0

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Solution for x+3-81=0 equation: 


Simplifying
x + 3 + -81 = 0

Reorder the terms:
3 + -81 + x = 0

Combine like terms: 3 + -81 = -78
-78 + x = 0

Solving
-78 + x = 0

Solving for variable 'x'.

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

Add '78' to each side of the equation.
-78 + 78 + x = 0 + 78

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

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

Simplifying
x = 78

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