8a-9=5+a

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


Simplifying
8a + -9 = 5 + a

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

Solving
-9 + 8a = 5 + 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.
-9 + 8a + -1a = 5 + a + -1a

Combine like terms: 8a + -1a = 7a
-9 + 7a = 5 + a + -1a

Combine like terms: a + -1a = 0
-9 + 7a = 5 + 0
-9 + 7a = 5

Add '9' to each side of the equation.
-9 + 9 + 7a = 5 + 9

Combine like terms: -9 + 9 = 0
0 + 7a = 5 + 9
7a = 5 + 9

Combine like terms: 5 + 9 = 14
7a = 14

Divide each side by '7'.
a = 2

Simplifying
a = 2

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