25[40-(x+x+7)]+5(x+7)+10x=405

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Solution for 25[40-(x+x+7)]+5(x+7)+10x=405 equation:


Simplifying
25[40 + -1(x + x + 7)] + 5(x + 7) + 10x = 405

Reorder the terms:
25[40 + -1(7 + x + x)] + 5(x + 7) + 10x = 405

Combine like terms: x + x = 2x
25[40 + -1(7 + 2x)] + 5(x + 7) + 10x = 405
25[40 + (7 * -1 + 2x * -1)] + 5(x + 7) + 10x = 405
25[40 + (-7 + -2x)] + 5(x + 7) + 10x = 405

Combine like terms: 40 + -7 = 33
25[33 + -2x] + 5(x + 7) + 10x = 405
[33 * 25 + -2x * 25] + 5(x + 7) + 10x = 405
[825 + -50x] + 5(x + 7) + 10x = 405

Reorder the terms:
825 + -50x + 5(7 + x) + 10x = 405
825 + -50x + (7 * 5 + x * 5) + 10x = 405
825 + -50x + (35 + 5x) + 10x = 405

Reorder the terms:
825 + 35 + -50x + 5x + 10x = 405

Combine like terms: 825 + 35 = 860
860 + -50x + 5x + 10x = 405

Combine like terms: -50x + 5x = -45x
860 + -45x + 10x = 405

Combine like terms: -45x + 10x = -35x
860 + -35x = 405

Solving
860 + -35x = 405

Solving for variable 'x'.

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

Add '-860' to each side of the equation.
860 + -860 + -35x = 405 + -860

Combine like terms: 860 + -860 = 0
0 + -35x = 405 + -860
-35x = 405 + -860

Combine like terms: 405 + -860 = -455
-35x = -455

Divide each side by '-35'.
x = 13

Simplifying
x = 13

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