8a-11=9

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Solution for 8a-11=9 equation:


Simplifying
8a + -11 = 9

Reorder the terms:
-11 + 8a = 9

Solving
-11 + 8a = 9

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 8a = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 8a = 9 + 11
8a = 9 + 11

Combine like terms: 9 + 11 = 20
8a = 20

Divide each side by '8'.
a = 2.5

Simplifying
a = 2.5

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