18.4-13d+20d=-4.6

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Solution for 18.4-13d+20d=-4.6 equation: 


Simplifying
18.4 + -13d + 20d = -4.6

Combine like terms: -13d + 20d = 7d
18.4 + 7d = -4.6

Solving
18.4 + 7d = -4.6

Solving for variable 'd'.

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

Add '-18.4' to each side of the equation.
18.4 + -18.4 + 7d = -4.6 + -18.4

Combine like terms: 18.4 + -18.4 = 0.0
0.0 + 7d = -4.6 + -18.4
7d = -4.6 + -18.4

Combine like terms: -4.6 + -18.4 = -23
7d = -23

Divide each side by '7'.
d = -3.285714286

Simplifying
d = -3.285714286

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