13.88=20.83+(a*12)

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Solution for 13.88=20.83+(a*12) equation: 


Simplifying
13.88 = 20.83 + (a * 12)

Reorder the terms for easier multiplication:
13.88 = 20.83 + (12a)

Solving
13.88 = 20.83 + (12a)

Solving for variable 'a'.

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

Add '(-12a)' to each side of the equation.
13.88 + (-12a) = 20.83 + (12a) + (-12a)

Combine like terms: (12a) + (-12a) = 0
13.88 + (-12a) = 20.83 + 0
13.88 + (-12a) = 20.83

Add '-13.88' to each side of the equation.
13.88 + -13.88 + (-12a) = 20.83 + -13.88

Combine like terms: 13.88 + -13.88 = 0.00
0.00 + (-12a) = 20.83 + -13.88
(-12a) = 20.83 + -13.88

Combine like terms: 20.83 + -13.88 = 6.95
(-12a) = 6.95

Divide each side by '-12'.
a = -0.5791666667

Simplifying
a = -0.5791666667

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