2d-1.7=-3.9

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Solution for 2d-1.7=-3.9 equation: 


Simplifying
2d + -1.7 = -3.9

Reorder the terms:
-1.7 + 2d = -3.9

Solving
-1.7 + 2d = -3.9

Solving for variable 'd'.

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

Add '1.7' to each side of the equation.
-1.7 + 1.7 + 2d = -3.9 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + 2d = -3.9 + 1.7
2d = -3.9 + 1.7

Combine like terms: -3.9 + 1.7 = -2.2
2d = -2.2

Divide each side by '2'.
d = -1.1

Simplifying
d = -1.1

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