a+2.25=7.7

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Solution for a+2.25=7.7 equation: 


Simplifying
a + 2.25 = 7.7

Reorder the terms:
2.25 + a = 7.7

Solving
2.25 + a = 7.7

Solving for variable 'a'.

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

Add '-2.25' to each side of the equation.
2.25 + -2.25 + a = 7.7 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + a = 7.7 + -2.25
a = 7.7 + -2.25

Combine like terms: 7.7 + -2.25 = 5.45
a = 5.45

Simplifying
a = 5.45

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