8a+9=9a

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Solution for 8a+9=9a equation:


Simplifying
8a + 9 = 9a

Reorder the terms:
9 + 8a = 9a

Solving
9 + 8a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
9 + 8a + -9a = 9a + -9a

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

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

Add '-9' to each side of the equation.
9 + -9 + -1a = 0 + -9

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

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

Divide each side by '-1'.
a = 9

Simplifying
a = 9

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