3(d+3)-(2d-1)+11d+8=

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Solution for 3(d+3)-(2d-1)+11d+8= equation:


Simplifying
3(d + 3) + -1(2d + -1) + 11d + 8 = 0

Reorder the terms:
3(3 + d) + -1(2d + -1) + 11d + 8 = 0
(3 * 3 + d * 3) + -1(2d + -1) + 11d + 8 = 0
(9 + 3d) + -1(2d + -1) + 11d + 8 = 0

Reorder the terms:
9 + 3d + -1(-1 + 2d) + 11d + 8 = 0
9 + 3d + (-1 * -1 + 2d * -1) + 11d + 8 = 0
9 + 3d + (1 + -2d) + 11d + 8 = 0

Reorder the terms:
9 + 1 + 8 + 3d + -2d + 11d = 0

Combine like terms: 9 + 1 = 10
10 + 8 + 3d + -2d + 11d = 0

Combine like terms: 10 + 8 = 18
18 + 3d + -2d + 11d = 0

Combine like terms: 3d + -2d = 1d
18 + 1d + 11d = 0

Combine like terms: 1d + 11d = 12d
18 + 12d = 0

Solving
18 + 12d = 0

Solving for variable 'd'.

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

Add '-18' to each side of the equation.
18 + -18 + 12d = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 12d = 0 + -18
12d = 0 + -18

Combine like terms: 0 + -18 = -18
12d = -18

Divide each side by '12'.
d = -1.5

Simplifying
d = -1.5

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