0.25d-3D+0.7(d-1)=4.25

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Solution for 0.25d-3D+0.7(d-1)=4.25 equation: 


Simplifying
0.25d + -3D + 0.7(d + -1) = 4.25

Reorder the terms:
0.25d + -3D + 0.7(-1 + d) = 4.25
0.25d + -3D + (-1 * 0.7 + d * 0.7) = 4.25
0.25d + -3D + (-0.7 + 0.7d) = 4.25

Reorder the terms:
-0.7 + -3D + 0.25d + 0.7d = 4.25

Combine like terms: 0.25d + 0.7d = 0.95d
-0.7 + -3D + 0.95d = 4.25

Solving
-0.7 + -3D + 0.95d = 4.25

Solving for variable 'D'.

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

Add '0.7' to each side of the equation.
-0.7 + -3D + 0.7 + 0.95d = 4.25 + 0.7

Reorder the terms:
-0.7 + 0.7 + -3D + 0.95d = 4.25 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + -3D + 0.95d = 4.25 + 0.7
-3D + 0.95d = 4.25 + 0.7

Combine like terms: 4.25 + 0.7 = 4.95
-3D + 0.95d = 4.95

Add '-0.95d' to each side of the equation.
-3D + 0.95d + -0.95d = 4.95 + -0.95d

Combine like terms: 0.95d + -0.95d = 0.00
-3D + 0.00 = 4.95 + -0.95d
-3D = 4.95 + -0.95d

Divide each side by '-3'.
D = -1.65 + 0.3166666667d

Simplifying
D = -1.65 + 0.3166666667d

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