15x+30(x-3)=405

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Solution for 15x+30(x-3)=405 equation:


Simplifying
15x + 30(x + -3) = 405

Reorder the terms:
15x + 30(-3 + x) = 405
15x + (-3 * 30 + x * 30) = 405
15x + (-90 + 30x) = 405

Reorder the terms:
-90 + 15x + 30x = 405

Combine like terms: 15x + 30x = 45x
-90 + 45x = 405

Solving
-90 + 45x = 405

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 45x = 405 + 90

Combine like terms: -90 + 90 = 0
0 + 45x = 405 + 90
45x = 405 + 90

Combine like terms: 405 + 90 = 495
45x = 495

Divide each side by '45'.
x = 11

Simplifying
x = 11

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