0.25(67-d)+0.10d=12.40

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Solution for 0.25(67-d)+0.10d=12.40 equation: 


Simplifying
0.25(67 + -1d) + 0.10d = 12.40
(67 * 0.25 + -1d * 0.25) + 0.10d = 12.40
(16.75 + -0.25d) + 0.10d = 12.40

Combine like terms: -0.25d + 0.10d = -0.15d
16.75 + -0.15d = 12.40

Solving
16.75 + -0.15d = 12.40

Solving for variable 'd'.

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

Add '-16.75' to each side of the equation.
16.75 + -16.75 + -0.15d = 12.40 + -16.75

Combine like terms: 16.75 + -16.75 = 0.00
0.00 + -0.15d = 12.40 + -16.75
-0.15d = 12.40 + -16.75

Combine like terms: 12.40 + -16.75 = -4.35
-0.15d = -4.35

Divide each side by '-0.15'.
d = 29

Simplifying
d = 29

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