-3d-1.2=0.9

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Solution for -3d-1.2=0.9 equation: 


Simplifying
-3d + -1.2 = 0.9

Reorder the terms:
-1.2 + -3d = 0.9

Solving
-1.2 + -3d = 0.9

Solving for variable 'd'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + -3d = 0.9 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + -3d = 0.9 + 1.2
-3d = 0.9 + 1.2

Combine like terms: 0.9 + 1.2 = 2.1
-3d = 2.1

Divide each side by '-3'.
d = -0.7

Simplifying
d = -0.7

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