0.9x+0.1(2000-x)=191

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Solution for 0.9x+0.1(2000-x)=191 equation:


Simplifying
0.9x + 0.1(2000 + -1x) = 191
0.9x + (2000 * 0.1 + -1x * 0.1) = 191
0.9x + (200 + -0.1x) = 191

Reorder the terms:
200 + 0.9x + -0.1x = 191

Combine like terms: 0.9x + -0.1x = 0.8x
200 + 0.8x = 191

Solving
200 + 0.8x = 191

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + 0.8x = 191 + -200

Combine like terms: 200 + -200 = 0
0 + 0.8x = 191 + -200
0.8x = 191 + -200

Combine like terms: 191 + -200 = -9
0.8x = -9

Divide each side by '0.8'.
x = -11.25

Simplifying
x = -11.25

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