7a-3.9=6.2

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Solution for 7a-3.9=6.2 equation: 


Simplifying
7a + -3.9 = 6.2

Reorder the terms:
-3.9 + 7a = 6.2

Solving
-3.9 + 7a = 6.2

Solving for variable 'a'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 7a = 6.2 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 7a = 6.2 + 3.9
7a = 6.2 + 3.9

Combine like terms: 6.2 + 3.9 = 10.1
7a = 10.1

Divide each side by '7'.
a = 1.442857143

Simplifying
a = 1.442857143

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