0.25(30000-x)-0.2x=3000

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Solution for 0.25(30000-x)-0.2x=3000 equation:


Simplifying
0.25(30000 + -1x) + -0.2x = 3000
(30000 * 0.25 + -1x * 0.25) + -0.2x = 3000
(7500 + -0.25x) + -0.2x = 3000

Combine like terms: -0.25x + -0.2x = -0.45x
7500 + -0.45x = 3000

Solving
7500 + -0.45x = 3000

Solving for variable 'x'.

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

Add '-7500' to each side of the equation.
7500 + -7500 + -0.45x = 3000 + -7500

Combine like terms: 7500 + -7500 = 0
0 + -0.45x = 3000 + -7500
-0.45x = 3000 + -7500

Combine like terms: 3000 + -7500 = -4500
-0.45x = -4500

Divide each side by '-0.45'.
x = 10000

Simplifying
x = 10000

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