6d+3+3(4d-1)=-2(-4d+15)

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Solution for 6d+3+3(4d-1)=-2(-4d+15) equation:


Simplifying
6d + 3 + 3(4d + -1) = -2(-4d + 15)

Reorder the terms:
6d + 3 + 3(-1 + 4d) = -2(-4d + 15)
6d + 3 + (-1 * 3 + 4d * 3) = -2(-4d + 15)
6d + 3 + (-3 + 12d) = -2(-4d + 15)

Reorder the terms:
3 + -3 + 6d + 12d = -2(-4d + 15)

Combine like terms: 3 + -3 = 0
0 + 6d + 12d = -2(-4d + 15)
6d + 12d = -2(-4d + 15)

Combine like terms: 6d + 12d = 18d
18d = -2(-4d + 15)

Reorder the terms:
18d = -2(15 + -4d)
18d = (15 * -2 + -4d * -2)
18d = (-30 + 8d)

Solving
18d = -30 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
18d + -8d = -30 + 8d + -8d

Combine like terms: 18d + -8d = 10d
10d = -30 + 8d + -8d

Combine like terms: 8d + -8d = 0
10d = -30 + 0
10d = -30

Divide each side by '10'.
d = -3

Simplifying
d = -3

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