.07x+.13(4000-x)=y

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Solution for .07x+.13(4000-x)=y equation:


Simplifying
0.07x + 0.13(4000 + -1x) = y
0.07x + (4000 * 0.13 + -1x * 0.13) = y
0.07x + (520 + -0.13x) = y

Reorder the terms:
520 + 0.07x + -0.13x = y

Combine like terms: 0.07x + -0.13x = -0.06x
520 + -0.06x = y

Solving
520 + -0.06x = y

Solving for variable 'x'.

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

Add '-520' to each side of the equation.
520 + -520 + -0.06x = -520 + y

Combine like terms: 520 + -520 = 0
0 + -0.06x = -520 + y
-0.06x = -520 + y

Divide each side by '-0.06'.
x = 8666.666667 + -16.66666667y

Simplifying
x = 8666.666667 + -16.66666667y

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