15x+25(x-3)=405

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Solution for 15x+25(x-3)=405 equation:


Simplifying
15x + 25(x + -3) = 405

Reorder the terms:
15x + 25(-3 + x) = 405
15x + (-3 * 25 + x * 25) = 405
15x + (-75 + 25x) = 405

Reorder the terms:
-75 + 15x + 25x = 405

Combine like terms: 15x + 25x = 40x
-75 + 40x = 405

Solving
-75 + 40x = 405

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + 40x = 405 + 75

Combine like terms: -75 + 75 = 0
0 + 40x = 405 + 75
40x = 405 + 75

Combine like terms: 405 + 75 = 480
40x = 480

Divide each side by '40'.
x = 12

Simplifying
x = 12

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