0.8d-17+d=2d-9-0.4d

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Solution for 0.8d-17+d=2d-9-0.4d equation:


Simplifying
0.8d + -17 + d = 2d + -9 + -0.4d

Reorder the terms:
-17 + 0.8d + d = 2d + -9 + -0.4d

Combine like terms: 0.8d + d = 1.8d
-17 + 1.8d = 2d + -9 + -0.4d

Reorder the terms:
-17 + 1.8d = -9 + 2d + -0.4d

Combine like terms: 2d + -0.4d = 1.6d
-17 + 1.8d = -9 + 1.6d

Solving
-17 + 1.8d = -9 + 1.6d

Solving for variable 'd'.

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

Add '-1.6d' to each side of the equation.
-17 + 1.8d + -1.6d = -9 + 1.6d + -1.6d

Combine like terms: 1.8d + -1.6d = 0.2d
-17 + 0.2d = -9 + 1.6d + -1.6d

Combine like terms: 1.6d + -1.6d = 0.0
-17 + 0.2d = -9 + 0.0
-17 + 0.2d = -9

Add '17' to each side of the equation.
-17 + 17 + 0.2d = -9 + 17

Combine like terms: -17 + 17 = 0
0 + 0.2d = -9 + 17
0.2d = -9 + 17

Combine like terms: -9 + 17 = 8
0.2d = 8

Divide each side by '0.2'.
d = 40

Simplifying
d = 40

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