0.3x+0.1(100-x)=180

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Solution for 0.3x+0.1(100-x)=180 equation: 


Simplifying
0.3x + 0.1(100 + -1x) = 180
0.3x + (100 * 0.1 + -1x * 0.1) = 180
0.3x + (10 + -0.1x) = 180

Reorder the terms:
10 + 0.3x + -0.1x = 180

Combine like terms: 0.3x + -0.1x = 0.2x
10 + 0.2x = 180

Solving
10 + 0.2x = 180

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 0.2x = 180 + -10

Combine like terms: 10 + -10 = 0
0 + 0.2x = 180 + -10
0.2x = 180 + -10

Combine like terms: 180 + -10 = 170
0.2x = 170

Divide each side by '0.2'.
x = 850

Simplifying
x = 850

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