8a+13=-12.2

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Solution for 8a+13=-12.2 equation: 


Simplifying
8a + 13 = -12.2

Reorder the terms:
13 + 8a = -12.2

Solving
13 + 8a = -12.2

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 8a = -12.2 + -13

Combine like terms: 13 + -13 = 0
0 + 8a = -12.2 + -13
8a = -12.2 + -13

Combine like terms: -12.2 + -13 = -25.2
8a = -25.2

Divide each side by '8'.
a = -3.15

Simplifying
a = -3.15

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