0.04x+0.07(13000-x)=780.00

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Solution for 0.04x+0.07(13000-x)=780.00 equation: 


Simplifying
0.04x + 0.07(13000 + -1x) = 780.00
0.04x + (13000 * 0.07 + -1x * 0.07) = 780.00
0.04x + (910 + -0.07x) = 780.00

Reorder the terms:
910 + 0.04x + -0.07x = 780.00

Combine like terms: 0.04x + -0.07x = -0.03x
910 + -0.03x = 780.00

Solving
910 + -0.03x = 780.00

Solving for variable 'x'.

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

Add '-910' to each side of the equation.
910 + -910 + -0.03x = 780.00 + -910

Combine like terms: 910 + -910 = 0
0 + -0.03x = 780.00 + -910
-0.03x = 780.00 + -910

Combine like terms: 780.00 + -910 = -130
-0.03x = -130

Divide each side by '-0.03'.
x = 4333.333333

Simplifying
x = 4333.333333

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