315x+225(28-x)=9900

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Solution for 315x+225(28-x)=9900 equation:


Simplifying
315x + 225(28 + -1x) = 9900
315x + (28 * 225 + -1x * 225) = 9900
315x + (6300 + -225x) = 9900

Reorder the terms:
6300 + 315x + -225x = 9900

Combine like terms: 315x + -225x = 90x
6300 + 90x = 9900

Solving
6300 + 90x = 9900

Solving for variable 'x'.

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

Add '-6300' to each side of the equation.
6300 + -6300 + 90x = 9900 + -6300

Combine like terms: 6300 + -6300 = 0
0 + 90x = 9900 + -6300
90x = 9900 + -6300

Combine like terms: 9900 + -6300 = 3600
90x = 3600

Divide each side by '90'.
x = 40

Simplifying
x = 40

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