80d-40d+51d+2d-90d-(-35)=-85

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Solution for 80d-40d+51d+2d-90d-(-35)=-85 equation: 


Simplifying
80d + -40d + 51d + 2d + -90d + -1(-35) = -85

Multiply -1 * -35
80d + -40d + 51d + 2d + -90d + 35 = -85

Reorder the terms:
35 + 80d + -40d + 51d + 2d + -90d = -85

Combine like terms: 80d + -40d = 40d
35 + 40d + 51d + 2d + -90d = -85

Combine like terms: 40d + 51d = 91d
35 + 91d + 2d + -90d = -85

Combine like terms: 91d + 2d = 93d
35 + 93d + -90d = -85

Combine like terms: 93d + -90d = 3d
35 + 3d = -85

Solving
35 + 3d = -85

Solving for variable 'd'.

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

Add '-35' to each side of the equation.
35 + -35 + 3d = -85 + -35

Combine like terms: 35 + -35 = 0
0 + 3d = -85 + -35
3d = -85 + -35

Combine like terms: -85 + -35 = -120
3d = -120

Divide each side by '3'.
d = -40

Simplifying
d = -40

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