7500=20000-2800x

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Solution for 7500=20000-2800x equation:


Simplifying
7500 = 20000 + -2800x

Solving
7500 = 20000 + -2800x

Solving for variable 'x'.

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

Add '2800x' to each side of the equation.
7500 + 2800x = 20000 + -2800x + 2800x

Combine like terms: -2800x + 2800x = 0
7500 + 2800x = 20000 + 0
7500 + 2800x = 20000

Add '-7500' to each side of the equation.
7500 + -7500 + 2800x = 20000 + -7500

Combine like terms: 7500 + -7500 = 0
0 + 2800x = 20000 + -7500
2800x = 20000 + -7500

Combine like terms: 20000 + -7500 = 12500
2800x = 12500

Divide each side by '2800'.
x = 4.464285714

Simplifying
x = 4.464285714

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