-a+55=-77

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Solution for -a+55=-77 equation: 


Simplifying
-1a + 55 = -77

Reorder the terms:
55 + -1a = -77

Solving
55 + -1a = -77

Solving for variable 'a'.

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

Add '-55' to each side of the equation.
55 + -55 + -1a = -77 + -55

Combine like terms: 55 + -55 = 0
0 + -1a = -77 + -55
-1a = -77 + -55

Combine like terms: -77 + -55 = -132
-1a = -132

Divide each side by '-1'.
a = 132

Simplifying
a = 132

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