0.4x+0.7(5000-x)=300

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Solution for 0.4x+0.7(5000-x)=300 equation:


Simplifying
0.4x + 0.7(5000 + -1x) = 300
0.4x + (5000 * 0.7 + -1x * 0.7) = 300
0.4x + (3500 + -0.7x) = 300

Reorder the terms:
3500 + 0.4x + -0.7x = 300

Combine like terms: 0.4x + -0.7x = -0.3x
3500 + -0.3x = 300

Solving
3500 + -0.3x = 300

Solving for variable 'x'.

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

Add '-3500' to each side of the equation.
3500 + -3500 + -0.3x = 300 + -3500

Combine like terms: 3500 + -3500 = 0
0 + -0.3x = 300 + -3500
-0.3x = 300 + -3500

Combine like terms: 300 + -3500 = -3200
-0.3x = -3200

Divide each side by '-0.3'.
x = 10666.66667

Simplifying
x = 10666.66667

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