0.10(99-x)+.25(x)=12.75

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Solution for 0.10(99-x)+.25(x)=12.75 equation:


Simplifying
0.10(99 + -1x) + 0.25(x) = 12.75
(99 * 0.10 + -1x * 0.10) + 0.25(x) = 12.75
(9.9 + -0.1x) + 0.25(x) = 12.75

Combine like terms: -0.1x + 0.25x = 0.15x
9.9 + 0.15x = 12.75

Solving
9.9 + 0.15x = 12.75

Solving for variable 'x'.

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

Add '-9.9' to each side of the equation.
9.9 + -9.9 + 0.15x = 12.75 + -9.9

Combine like terms: 9.9 + -9.9 = 0.0
0.0 + 0.15x = 12.75 + -9.9
0.15x = 12.75 + -9.9

Combine like terms: 12.75 + -9.9 = 2.85
0.15x = 2.85

Divide each side by '0.15'.
x = 19

Simplifying
x = 19

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