.12x+.09(5000-x)=513

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Solution for .12x+.09(5000-x)=513 equation:


Simplifying
0.12x + 0.09(5000 + -1x) = 513
0.12x + (5000 * 0.09 + -1x * 0.09) = 513
0.12x + (450 + -0.09x) = 513

Reorder the terms:
450 + 0.12x + -0.09x = 513

Combine like terms: 0.12x + -0.09x = 0.03x
450 + 0.03x = 513

Solving
450 + 0.03x = 513

Solving for variable 'x'.

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

Add '-450' to each side of the equation.
450 + -450 + 0.03x = 513 + -450

Combine like terms: 450 + -450 = 0
0 + 0.03x = 513 + -450
0.03x = 513 + -450

Combine like terms: 513 + -450 = 63
0.03x = 63

Divide each side by '0.03'.
x = 2100

Simplifying
x = 2100

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