0.04x+0.07(5000-x)=840

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Solution for 0.04x+0.07(5000-x)=840 equation: 


Simplifying
0.04x + 0.07(5000 + -1x) = 840
0.04x + (5000 * 0.07 + -1x * 0.07) = 840
0.04x + (350 + -0.07x) = 840

Reorder the terms:
350 + 0.04x + -0.07x = 840

Combine like terms: 0.04x + -0.07x = -0.03x
350 + -0.03x = 840

Solving
350 + -0.03x = 840

Solving for variable 'x'.

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

Add '-350' to each side of the equation.
350 + -350 + -0.03x = 840 + -350

Combine like terms: 350 + -350 = 0
0 + -0.03x = 840 + -350
-0.03x = 840 + -350

Combine like terms: 840 + -350 = 490
-0.03x = 490

Divide each side by '-0.03'.
x = -16333.33333

Simplifying
x = -16333.33333

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