18-d+5d-11=9d+19-3d

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Solution for 18-d+5d-11=9d+19-3d equation:


Simplifying
18 + -1d + 5d + -11 = 9d + 19 + -3d

Reorder the terms:
18 + -11 + -1d + 5d = 9d + 19 + -3d

Combine like terms: 18 + -11 = 7
7 + -1d + 5d = 9d + 19 + -3d

Combine like terms: -1d + 5d = 4d
7 + 4d = 9d + 19 + -3d

Reorder the terms:
7 + 4d = 19 + 9d + -3d

Combine like terms: 9d + -3d = 6d
7 + 4d = 19 + 6d

Solving
7 + 4d = 19 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
7 + 4d + -6d = 19 + 6d + -6d

Combine like terms: 4d + -6d = -2d
7 + -2d = 19 + 6d + -6d

Combine like terms: 6d + -6d = 0
7 + -2d = 19 + 0
7 + -2d = 19

Add '-7' to each side of the equation.
7 + -7 + -2d = 19 + -7

Combine like terms: 7 + -7 = 0
0 + -2d = 19 + -7
-2d = 19 + -7

Combine like terms: 19 + -7 = 12
-2d = 12

Divide each side by '-2'.
d = -6

Simplifying
d = -6

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