-18-8a-4a=-3

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Solution for -18-8a-4a=-3 equation: 


Simplifying
-18 + -8a + -4a = -3

Combine like terms: -8a + -4a = -12a
-18 + -12a = -3

Solving
-18 + -12a = -3

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + -12a = -3 + 18

Combine like terms: -18 + 18 = 0
0 + -12a = -3 + 18
-12a = -3 + 18

Combine like terms: -3 + 18 = 15
-12a = 15

Divide each side by '-12'.
a = -1.25

Simplifying
a = -1.25

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