a-30=-55

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Solution for a-30=-55 equation: 


Simplifying
a + -30 = -55

Reorder the terms:
-30 + a = -55

Solving
-30 + a = -55

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + 30 + a = -55 + 30

Combine like terms: -30 + 30 = 0
0 + a = -55 + 30
a = -55 + 30

Combine like terms: -55 + 30 = -25
a = -25

Simplifying
a = -25

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