a-1.2=-3

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Solution for a-1.2=-3 equation: 


Simplifying
a + -1.2 = -3

Reorder the terms:
-1.2 + a = -3

Solving
-1.2 + a = -3

Solving for variable 'a'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + a = -3 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + a = -3 + 1.2
a = -3 + 1.2

Combine like terms: -3 + 1.2 = -1.8
a = -1.8

Simplifying
a = -1.8

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