-.4(d-2)=0.3d+1+0.3d

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Solution for -.4(d-2)=0.3d+1+0.3d equation: 


Simplifying
-0.4(d + -2) = 0.3d + 1 + 0.3d

Reorder the terms:
-0.4(-2 + d) = 0.3d + 1 + 0.3d
(-2 * -0.4 + d * -0.4) = 0.3d + 1 + 0.3d
(0.8 + -0.4d) = 0.3d + 1 + 0.3d

Reorder the terms:
0.8 + -0.4d = 1 + 0.3d + 0.3d

Combine like terms: 0.3d + 0.3d = 0.6d
0.8 + -0.4d = 1 + 0.6d

Solving
0.8 + -0.4d = 1 + 0.6d

Solving for variable 'd'.

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

Add '-0.6d' to each side of the equation.
0.8 + -0.4d + -0.6d = 1 + 0.6d + -0.6d

Combine like terms: -0.4d + -0.6d = -1d
0.8 + -1d = 1 + 0.6d + -0.6d

Combine like terms: 0.6d + -0.6d = 0.0
0.8 + -1d = 1 + 0.0
0.8 + -1d = 1

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -1d = 1 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -1d = 1 + -0.8
-1d = 1 + -0.8

Combine like terms: 1 + -0.8 = 0.2
-1d = 0.2

Divide each side by '-1'.
d = -0.2

Simplifying
d = -0.2

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