-8a-5-4a=125

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Solution for -8a-5-4a=125 equation:


Simplifying
-8a + -5 + -4a = 125

Reorder the terms:
-5 + -8a + -4a = 125

Combine like terms: -8a + -4a = -12a
-5 + -12a = 125

Solving
-5 + -12a = 125

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -12a = 125 + 5

Combine like terms: -5 + 5 = 0
0 + -12a = 125 + 5
-12a = 125 + 5

Combine like terms: 125 + 5 = 130
-12a = 130

Divide each side by '-12'.
a = -10.83333333

Simplifying
a = -10.83333333

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