0.9-0.2d=0.8+0.3d

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Solution for 0.9-0.2d=0.8+0.3d equation: 


Simplifying
0.9 + -0.2d = 0.8 + 0.3d

Solving
0.9 + -0.2d = 0.8 + 0.3d

Solving for variable 'd'.

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

Add '-0.3d' to each side of the equation.
0.9 + -0.2d + -0.3d = 0.8 + 0.3d + -0.3d

Combine like terms: -0.2d + -0.3d = -0.5d
0.9 + -0.5d = 0.8 + 0.3d + -0.3d

Combine like terms: 0.3d + -0.3d = 0.0
0.9 + -0.5d = 0.8 + 0.0
0.9 + -0.5d = 0.8

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -0.5d = 0.8 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -0.5d = 0.8 + -0.9
-0.5d = 0.8 + -0.9

Combine like terms: 0.8 + -0.9 = -0.1
-0.5d = -0.1

Divide each side by '-0.5'.
d = 0.2

Simplifying
d = 0.2

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