a-4.5=7.7

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Solution for a-4.5=7.7 equation: 


Simplifying
a + -4.5 = 7.7

Reorder the terms:
-4.5 + a = 7.7

Solving
-4.5 + a = 7.7

Solving for variable 'a'.

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

Add '4.5' to each side of the equation.
-4.5 + 4.5 + a = 7.7 + 4.5

Combine like terms: -4.5 + 4.5 = 0.0
0.0 + a = 7.7 + 4.5
a = 7.7 + 4.5

Combine like terms: 7.7 + 4.5 = 12.2
a = 12.2

Simplifying
a = 12.2

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