8a-5-9a=4+a

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Solution for 8a-5-9a=4+a equation:


Simplifying
8a + -5 + -9a = 4 + a

Reorder the terms:
-5 + 8a + -9a = 4 + a

Combine like terms: 8a + -9a = -1a
-5 + -1a = 4 + a

Solving
-5 + -1a = 4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-5 + -1a + -1a = 4 + a + -1a

Combine like terms: -1a + -1a = -2a
-5 + -2a = 4 + a + -1a

Combine like terms: a + -1a = 0
-5 + -2a = 4 + 0
-5 + -2a = 4

Add '5' to each side of the equation.
-5 + 5 + -2a = 4 + 5

Combine like terms: -5 + 5 = 0
0 + -2a = 4 + 5
-2a = 4 + 5

Combine like terms: 4 + 5 = 9
-2a = 9

Divide each side by '-2'.
a = -4.5

Simplifying
a = -4.5

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