9(-5x-5)=405

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Solution for 9(-5x-5)=405 equation: 


Simplifying
9(-5x + -5) = 405

Reorder the terms:
9(-5 + -5x) = 405
(-5 * 9 + -5x * 9) = 405
(-45 + -45x) = 405

Solving
-45 + -45x = 405

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + -45x = 405 + 45

Combine like terms: -45 + 45 = 0
0 + -45x = 405 + 45
-45x = 405 + 45

Combine like terms: 405 + 45 = 450
-45x = 450

Divide each side by '-45'.
x = -10

Simplifying
x = -10

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