.20x+0.05(8-x)=.10(28)

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Solution for .20x+0.05(8-x)=.10(28) equation:


Simplifying
0.20x + 0.05(8 + -1x) = 0.10(28)
0.20x + (8 * 0.05 + -1x * 0.05) = 0.10(28)
0.20x + (0.4 + -0.05x) = 0.10(28)

Reorder the terms:
0.4 + 0.20x + -0.05x = 0.10(28)

Combine like terms: 0.20x + -0.05x = 0.15x
0.4 + 0.15x = 0.10(28)

Multiply 0.10 * 28
0.4 + 0.15x = 2.8

Solving
0.4 + 0.15x = 2.8

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.15x = 2.8 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.15x = 2.8 + -0.4
0.15x = 2.8 + -0.4

Combine like terms: 2.8 + -0.4 = 2.4
0.15x = 2.4

Divide each side by '0.15'.
x = 16

Simplifying
x = 16

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