.004x+.10(42000-x)=42000

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Solution for .004x+.10(42000-x)=42000 equation: 


Simplifying
0.004x + 0.10(42000 + -1x) = 42000
0.004x + (42000 * 0.10 + -1x * 0.10) = 42000
0.004x + (4200 + -0.1x) = 42000

Reorder the terms:
4200 + 0.004x + -0.1x = 42000

Combine like terms: 0.004x + -0.1x = -0.096x
4200 + -0.096x = 42000

Solving
4200 + -0.096x = 42000

Solving for variable 'x'.

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

Add '-4200' to each side of the equation.
4200 + -4200 + -0.096x = 42000 + -4200

Combine like terms: 4200 + -4200 = 0
0 + -0.096x = 42000 + -4200
-0.096x = 42000 + -4200

Combine like terms: 42000 + -4200 = 37800
-0.096x = 37800

Divide each side by '-0.096'.
x = -393750

Simplifying
x = -393750

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