7909=x-(4000*.175)-((x-4000)*.225)

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Solution for 7909=x-(4000*.175)-((x-4000)*.225) equation:


Simplifying
7909 = x + -1(4000 * 0.175) + -1((x + -4000) * 0.225)

Multiply 4000 * 0.175
7909 = x + -1(700) + -1((x + -4000) * 0.225)

Multiply -1 * 700
7909 = x + -700 + -1((x + -4000) * 0.225)

Reorder the terms:
7909 = x + -700 + -1((-4000 + x) * 0.225)

Reorder the terms for easier multiplication:
7909 = x + -700 + -1(0.225(-4000 + x))
7909 = x + -700 + -1((-4000 * 0.225 + x * 0.225))
7909 = x + -700 + -1((-900 + 0.225x))
7909 = x + -700 + (-900 * -1 + 0.225x * -1)
7909 = x + -700 + (900 + -0.225x)

Reorder the terms:
7909 = -700 + 900 + x + -0.225x

Combine like terms: -700 + 900 = 200
7909 = 200 + x + -0.225x

Combine like terms: x + -0.225x = 0.775x
7909 = 200 + 0.775x

Solving
7909 = 200 + 0.775x

Solving for variable 'x'.

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

Add '-0.775x' to each side of the equation.
7909 + -0.775x = 200 + 0.775x + -0.775x

Combine like terms: 0.775x + -0.775x = 0.000
7909 + -0.775x = 200 + 0.000
7909 + -0.775x = 200

Add '-7909' to each side of the equation.
7909 + -7909 + -0.775x = 200 + -7909

Combine like terms: 7909 + -7909 = 0
0 + -0.775x = 200 + -7909
-0.775x = 200 + -7909

Combine like terms: 200 + -7909 = -7709
-0.775x = -7709

Divide each side by '-0.775'.
x = 9947.096774

Simplifying
x = 9947.096774

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