6.4-2.9=1.4a+12.1

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


Simplifying
6.4 + -2.9 = 1.4a + 12.1

Combine like terms: 6.4 + -2.9 = 3.5
3.5 = 1.4a + 12.1

Reorder the terms:
3.5 = 12.1 + 1.4a

Solving
3.5 = 12.1 + 1.4a

Solving for variable 'a'.

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

Add '-1.4a' to each side of the equation.
3.5 + -1.4a = 12.1 + 1.4a + -1.4a

Combine like terms: 1.4a + -1.4a = 0.0
3.5 + -1.4a = 12.1 + 0.0
3.5 + -1.4a = 12.1

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -1.4a = 12.1 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -1.4a = 12.1 + -3.5
-1.4a = 12.1 + -3.5

Combine like terms: 12.1 + -3.5 = 8.6
-1.4a = 8.6

Divide each side by '-1.4'.
a = -6.142857143

Simplifying
a = -6.142857143

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