-2d+5+6d=21d-(2+3d)

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Solution for -2d+5+6d=21d-(2+3d) equation:


Simplifying
-2d + 5 + 6d = 21d + -1(2 + 3d)

Reorder the terms:
5 + -2d + 6d = 21d + -1(2 + 3d)

Combine like terms: -2d + 6d = 4d
5 + 4d = 21d + -1(2 + 3d)
5 + 4d = 21d + (2 * -1 + 3d * -1)
5 + 4d = 21d + (-2 + -3d)

Reorder the terms:
5 + 4d = -2 + 21d + -3d

Combine like terms: 21d + -3d = 18d
5 + 4d = -2 + 18d

Solving
5 + 4d = -2 + 18d

Solving for variable 'd'.

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

Add '-18d' to each side of the equation.
5 + 4d + -18d = -2 + 18d + -18d

Combine like terms: 4d + -18d = -14d
5 + -14d = -2 + 18d + -18d

Combine like terms: 18d + -18d = 0
5 + -14d = -2 + 0
5 + -14d = -2

Add '-5' to each side of the equation.
5 + -5 + -14d = -2 + -5

Combine like terms: 5 + -5 = 0
0 + -14d = -2 + -5
-14d = -2 + -5

Combine like terms: -2 + -5 = -7
-14d = -7

Divide each side by '-14'.
d = 0.5

Simplifying
d = 0.5

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