-13a-8a-4a=-3

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Solution for -13a-8a-4a=-3 equation: 


Simplifying
-13a + -8a + -4a = -3

Combine like terms: -13a + -8a = -21a
-21a + -4a = -3

Combine like terms: -21a + -4a = -25a
-25a = -3

Solving
-25a = -3

Solving for variable 'a'.

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

Divide each side by '-25'.
a = 0.12

Simplifying
a = 0.12

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