7(9a-9)=

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Solution for 7(9a-9)= equation: 


Simplifying
7(9a + -9) = 0

Reorder the terms:
7(-9 + 9a) = 0
(-9 * 7 + 9a * 7) = 0
(-63 + 63a) = 0

Solving
-63 + 63a = 0

Solving for variable 'a'.

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

Add '63' to each side of the equation.
-63 + 63 + 63a = 0 + 63

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

Combine like terms: 0 + 63 = 63
63a = 63

Divide each side by '63'.
a = 1

Simplifying
a = 1

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