.30x+.12(50000-x)=10500

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Solution for .30x+.12(50000-x)=10500 equation:


Simplifying
0.30x + 0.12(50000 + -1x) = 10500
0.30x + (50000 * 0.12 + -1x * 0.12) = 10500
0.30x + (6000 + -0.12x) = 10500

Reorder the terms:
6000 + 0.30x + -0.12x = 10500

Combine like terms: 0.30x + -0.12x = 0.18x
6000 + 0.18x = 10500

Solving
6000 + 0.18x = 10500

Solving for variable 'x'.

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

Add '-6000' to each side of the equation.
6000 + -6000 + 0.18x = 10500 + -6000

Combine like terms: 6000 + -6000 = 0
0 + 0.18x = 10500 + -6000
0.18x = 10500 + -6000

Combine like terms: 10500 + -6000 = 4500
0.18x = 4500

Divide each side by '0.18'.
x = 25000

Simplifying
x = 25000

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