27-9a=63

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Solution for 27-9a=63 equation: 


Simplifying
27 + -9a = 63

Solving
27 + -9a = 63

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + -9a = 63 + -27

Combine like terms: 27 + -27 = 0
0 + -9a = 63 + -27
-9a = 63 + -27

Combine like terms: 63 + -27 = 36
-9a = 36

Divide each side by '-9'.
a = -4

Simplifying
a = -4

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