1+8a=-129

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Solution for 1+8a=-129 equation: 


Simplifying
1 + 8a = -129

Solving
1 + 8a = -129

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 = -129 + -1

Combine like terms: 1 + -1 = 0
0 + 8a = -129 + -1
8a = -129 + -1

Combine like terms: -129 + -1 = -130
8a = -130

Divide each side by '8'.
a = -16.25

Simplifying
a = -16.25

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