8-5a=-13

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Solution for 8-5a=-13 equation: 


Simplifying
8 + -5a = -13

Solving
8 + -5a = -13

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -5a = -13 + -8

Combine like terms: 8 + -8 = 0
0 + -5a = -13 + -8
-5a = -13 + -8

Combine like terms: -13 + -8 = -21
-5a = -21

Divide each side by '-5'.
a = 4.2

Simplifying
a = 4.2

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