3(d+13)=8-4d

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Solution for 3(d+13)=8-4d equation:


Simplifying
3(d + 13) = 8 + -4d

Reorder the terms:
3(13 + d) = 8 + -4d
(13 * 3 + d * 3) = 8 + -4d
(39 + 3d) = 8 + -4d

Solving
39 + 3d = 8 + -4d

Solving for variable 'd'.

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

Add '4d' to each side of the equation.
39 + 3d + 4d = 8 + -4d + 4d

Combine like terms: 3d + 4d = 7d
39 + 7d = 8 + -4d + 4d

Combine like terms: -4d + 4d = 0
39 + 7d = 8 + 0
39 + 7d = 8

Add '-39' to each side of the equation.
39 + -39 + 7d = 8 + -39

Combine like terms: 39 + -39 = 0
0 + 7d = 8 + -39
7d = 8 + -39

Combine like terms: 8 + -39 = -31
7d = -31

Divide each side by '7'.
d = -4.428571429

Simplifying
d = -4.428571429

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