12.7=a-3.8

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Solution for 12.7=a-3.8 equation:


Simplifying
12.7 = a + -3.8

Reorder the terms:
12.7 = -3.8 + a

Solving
12.7 = -3.8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
12.7 + -1a = -3.8 + a + -1a

Combine like terms: a + -1a = 0
12.7 + -1a = -3.8 + 0
12.7 + -1a = -3.8

Add '-12.7' to each side of the equation.
12.7 + -12.7 + -1a = -3.8 + -12.7

Combine like terms: 12.7 + -12.7 = 0.0
0.0 + -1a = -3.8 + -12.7
-1a = -3.8 + -12.7

Combine like terms: -3.8 + -12.7 = -16.5
-1a = -16.5

Divide each side by '-1'.
a = 16.5

Simplifying
a = 16.5

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