.4(x)+.25(66-x)=.38(66)

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Solution for .4(x)+.25(66-x)=.38(66) equation:


Simplifying
0.4(x) + 0.25(66 + -1x) = 0.38(66)
0.4x + (66 * 0.25 + -1x * 0.25) = 0.38(66)
0.4x + (16.5 + -0.25x) = 0.38(66)

Reorder the terms:
16.5 + 0.4x + -0.25x = 0.38(66)

Combine like terms: 0.4x + -0.25x = 0.15x
16.5 + 0.15x = 0.38(66)

Multiply 0.38 * 66
16.5 + 0.15x = 25.08

Solving
16.5 + 0.15x = 25.08

Solving for variable 'x'.

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

Add '-16.5' to each side of the equation.
16.5 + -16.5 + 0.15x = 25.08 + -16.5

Combine like terms: 16.5 + -16.5 = 0.0
0.0 + 0.15x = 25.08 + -16.5
0.15x = 25.08 + -16.5

Combine like terms: 25.08 + -16.5 = 8.58
0.15x = 8.58

Divide each side by '0.15'.
x = 57.2

Simplifying
x = 57.2

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