-9a-8+3a=-18

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Solution for -9a-8+3a=-18 equation:


Simplifying
-9a + -8 + 3a = -18

Reorder the terms:
-8 + -9a + 3a = -18

Combine like terms: -9a + 3a = -6a
-8 + -6a = -18

Solving
-8 + -6a = -18

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + -6a = -18 + 8

Combine like terms: -8 + 8 = 0
0 + -6a = -18 + 8
-6a = -18 + 8

Combine like terms: -18 + 8 = -10
-6a = -10

Divide each side by '-6'.
a = 1.666666667

Simplifying
a = 1.666666667

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