0.5d+6.4=4.9-0.1d

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Solution for 0.5d+6.4=4.9-0.1d equation: 


Simplifying
0.5d + 6.4 = 4.9 + -0.1d

Reorder the terms:
6.4 + 0.5d = 4.9 + -0.1d

Solving
6.4 + 0.5d = 4.9 + -0.1d

Solving for variable 'd'.

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

Add '0.1d' to each side of the equation.
6.4 + 0.5d + 0.1d = 4.9 + -0.1d + 0.1d

Combine like terms: 0.5d + 0.1d = 0.6d
6.4 + 0.6d = 4.9 + -0.1d + 0.1d

Combine like terms: -0.1d + 0.1d = 0.0
6.4 + 0.6d = 4.9 + 0.0
6.4 + 0.6d = 4.9

Add '-6.4' to each side of the equation.
6.4 + -6.4 + 0.6d = 4.9 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 0.6d = 4.9 + -6.4
0.6d = 4.9 + -6.4

Combine like terms: 4.9 + -6.4 = -1.5
0.6d = -1.5

Divide each side by '0.6'.
d = -2.5

Simplifying
d = -2.5

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