6.4a-2.9=1.4+12.1

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Solution for 6.4a-2.9=1.4+12.1 equation: 


Simplifying
6.4a + -2.9 = 1.4 + 12.1

Reorder the terms:
-2.9 + 6.4a = 1.4 + 12.1

Combine like terms: 1.4 + 12.1 = 13.5
-2.9 + 6.4a = 13.5

Solving
-2.9 + 6.4a = 13.5

Solving for variable 'a'.

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

Add '2.9' to each side of the equation.
-2.9 + 2.9 + 6.4a = 13.5 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + 6.4a = 13.5 + 2.9
6.4a = 13.5 + 2.9

Combine like terms: 13.5 + 2.9 = 16.4
6.4a = 16.4

Divide each side by '6.4'.
a = 2.5625

Simplifying
a = 2.5625

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