8a-15=-13

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Solution for 8a-15=-13 equation: 


Simplifying
8a + -15 = -13

Reorder the terms:
-15 + 8a = -13

Solving
-15 + 8a = -13

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 8a = -13 + 15

Combine like terms: -15 + 15 = 0
0 + 8a = -13 + 15
8a = -13 + 15

Combine like terms: -13 + 15 = 2
8a = 2

Divide each side by '8'.
a = 0.25

Simplifying
a = 0.25

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