63=9a-27

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Solution for 63=9a-27 equation:


Simplifying
63 = 9a + -27

Reorder the terms:
63 = -27 + 9a

Solving
63 = -27 + 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.
63 + -9a = -27 + 9a + -9a

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

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

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

Combine like terms: -27 + -63 = -90
-9a = -90

Divide each side by '-9'.
a = 10

Simplifying
a = 10

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