8d+12.4=7-10d

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Solution for 8d+12.4=7-10d equation:


Simplifying
8d + 12.4 = 7 + -10d

Reorder the terms:
12.4 + 8d = 7 + -10d

Solving
12.4 + 8d = 7 + -10d

Solving for variable 'd'.

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

Add '10d' to each side of the equation.
12.4 + 8d + 10d = 7 + -10d + 10d

Combine like terms: 8d + 10d = 18d
12.4 + 18d = 7 + -10d + 10d

Combine like terms: -10d + 10d = 0
12.4 + 18d = 7 + 0
12.4 + 18d = 7

Add '-12.4' to each side of the equation.
12.4 + -12.4 + 18d = 7 + -12.4

Combine like terms: 12.4 + -12.4 = 0.0
0.0 + 18d = 7 + -12.4
18d = 7 + -12.4

Combine like terms: 7 + -12.4 = -5.4
18d = -5.4

Divide each side by '18'.
d = -0.3

Simplifying
d = -0.3

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