4d+3d+d=3d-15

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Solution for 4d+3d+d=3d-15 equation:


Simplifying
4d + 3d + d = 3d + -15

Combine like terms: 4d + 3d = 7d
7d + d = 3d + -15

Combine like terms: 7d + d = 8d
8d = 3d + -15

Reorder the terms:
8d = -15 + 3d

Solving
8d = -15 + 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.
8d + -3d = -15 + 3d + -3d

Combine like terms: 8d + -3d = 5d
5d = -15 + 3d + -3d

Combine like terms: 3d + -3d = 0
5d = -15 + 0
5d = -15

Divide each side by '5'.
d = -3

Simplifying
d = -3

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