-18=8a-9-5a

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Solution for -18=8a-9-5a equation:


Simplifying
-18 = 8a + -9 + -5a

Reorder the terms:
-18 = -9 + 8a + -5a

Combine like terms: 8a + -5a = 3a
-18 = -9 + 3a

Solving
-18 = -9 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-18 + -3a = -9 + 3a + -3a

Combine like terms: 3a + -3a = 0
-18 + -3a = -9 + 0
-18 + -3a = -9

Add '18' to each side of the equation.
-18 + 18 + -3a = -9 + 18

Combine like terms: -18 + 18 = 0
0 + -3a = -9 + 18
-3a = -9 + 18

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

Divide each side by '-3'.
a = -3

Simplifying
a = -3

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