0.22-12.7d+17.2d=-19.28+3d

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Solution for 0.22-12.7d+17.2d=-19.28+3d equation: 


Simplifying
0.22 + -12.7d + 17.2d = -19.28 + 3d

Combine like terms: -12.7d + 17.2d = 4.5d
0.22 + 4.5d = -19.28 + 3d

Solving
0.22 + 4.5d = -19.28 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
0.22 + 4.5d + -3d = -19.28 + 3d + -3d

Combine like terms: 4.5d + -3d = 1.5d
0.22 + 1.5d = -19.28 + 3d + -3d

Combine like terms: 3d + -3d = 0
0.22 + 1.5d = -19.28 + 0
0.22 + 1.5d = -19.28

Add '-0.22' to each side of the equation.
0.22 + -0.22 + 1.5d = -19.28 + -0.22

Combine like terms: 0.22 + -0.22 = 0.00
0.00 + 1.5d = -19.28 + -0.22
1.5d = -19.28 + -0.22

Combine like terms: -19.28 + -0.22 = -19.5
1.5d = -19.5

Divide each side by '1.5'.
d = -13

Simplifying
d = -13

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