a+2.4=7.8

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Solution for a+2.4=7.8 equation: 


Simplifying
a + 2.4 = 7.8

Reorder the terms:
2.4 + a = 7.8

Solving
2.4 + a = 7.8

Solving for variable 'a'.

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

Add '-2.4' to each side of the equation.
2.4 + -2.4 + a = 7.8 + -2.4

Combine like terms: 2.4 + -2.4 = 0.0
0.0 + a = 7.8 + -2.4
a = 7.8 + -2.4

Combine like terms: 7.8 + -2.4 = 5.4
a = 5.4

Simplifying
a = 5.4

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