0.1x+0.3(28-x)=0.1(28)

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Solution for 0.1x+0.3(28-x)=0.1(28) equation: 


Simplifying
0.1x + 0.3(28 + -1x) = 0.1(28)
0.1x + (28 * 0.3 + -1x * 0.3) = 0.1(28)
0.1x + (8.4 + -0.3x) = 0.1(28)

Reorder the terms:
8.4 + 0.1x + -0.3x = 0.1(28)

Combine like terms: 0.1x + -0.3x = -0.2x
8.4 + -0.2x = 0.1(28)

Multiply 0.1 * 28
8.4 + -0.2x = 2.8

Solving
8.4 + -0.2x = 2.8

Solving for variable 'x'.

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

Add '-8.4' to each side of the equation.
8.4 + -8.4 + -0.2x = 2.8 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + -0.2x = 2.8 + -8.4
-0.2x = 2.8 + -8.4

Combine like terms: 2.8 + -8.4 = -5.6
-0.2x = -5.6

Divide each side by '-0.2'.
x = 28

Simplifying
x = 28

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