8-9a=7

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Solution for 8-9a=7 equation: 


Simplifying
8 + -9a = 7

Solving
8 + -9a = 7

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -9a = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -9a = 7 + -8
-9a = 7 + -8

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

Divide each side by '-9'.
a = 0.1111111111

Simplifying
a = 0.1111111111

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