-(d+5)-4=-2(d-6)

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Solution for -(d+5)-4=-2(d-6) equation:


Simplifying
-1(d + 5) + -4 = -2(d + -6)

Reorder the terms:
-1(5 + d) + -4 = -2(d + -6)
(5 * -1 + d * -1) + -4 = -2(d + -6)
(-5 + -1d) + -4 = -2(d + -6)

Reorder the terms:
-5 + -4 + -1d = -2(d + -6)

Combine like terms: -5 + -4 = -9
-9 + -1d = -2(d + -6)

Reorder the terms:
-9 + -1d = -2(-6 + d)
-9 + -1d = (-6 * -2 + d * -2)
-9 + -1d = (12 + -2d)

Solving
-9 + -1d = 12 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
-9 + -1d + 2d = 12 + -2d + 2d

Combine like terms: -1d + 2d = 1d
-9 + 1d = 12 + -2d + 2d

Combine like terms: -2d + 2d = 0
-9 + 1d = 12 + 0
-9 + 1d = 12

Add '9' to each side of the equation.
-9 + 9 + 1d = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 1d = 12 + 9
1d = 12 + 9

Combine like terms: 12 + 9 = 21
1d = 21

Divide each side by '1'.
d = 21

Simplifying
d = 21

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