8a-1=-2

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Solution for 8a-1=-2 equation: 


Simplifying
8a + -1 = -2

Reorder the terms:
-1 + 8a = -2

Solving
-1 + 8a = -2

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 8a = -2 + 1

Combine like terms: -1 + 1 = 0
0 + 8a = -2 + 1
8a = -2 + 1

Combine like terms: -2 + 1 = -1
8a = -1

Divide each side by '8'.
a = -0.125

Simplifying
a = -0.125

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