0.3x+0.8(20-x)=0.1(10)

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Solution for 0.3x+0.8(20-x)=0.1(10) equation:


Simplifying
0.3x + 0.8(20 + -1x) = 0.1(10)
0.3x + (20 * 0.8 + -1x * 0.8) = 0.1(10)
0.3x + (16 + -0.8x) = 0.1(10)

Reorder the terms:
16 + 0.3x + -0.8x = 0.1(10)

Combine like terms: 0.3x + -0.8x = -0.5x
16 + -0.5x = 0.1(10)

Multiply 0.1 * 10
16 + -0.5x = 1

Solving
16 + -0.5x = 1

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + -0.5x = 1 + -16

Combine like terms: 16 + -16 = 0
0 + -0.5x = 1 + -16
-0.5x = 1 + -16

Combine like terms: 1 + -16 = -15
-0.5x = -15

Divide each side by '-0.5'.
x = 30

Simplifying
x = 30

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