-5(-9a-9)=135

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Solution for -5(-9a-9)=135 equation: 


Simplifying
-5(-9a + -9) = 135

Reorder the terms:
-5(-9 + -9a) = 135
(-9 * -5 + -9a * -5) = 135
(45 + 45a) = 135

Solving
45 + 45a = 135

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + 45a = 135 + -45

Combine like terms: 45 + -45 = 0
0 + 45a = 135 + -45
45a = 135 + -45

Combine like terms: 135 + -45 = 90
45a = 90

Divide each side by '45'.
a = 2

Simplifying
a = 2

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