7-3d-8+d=

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Solution for 7-3d-8+d= equation:


Simplifying
7 + -3d + -8 + d = 0

Reorder the terms:
7 + -8 + -3d + d = 0

Combine like terms: 7 + -8 = -1
-1 + -3d + d = 0

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

Solving
-1 + -2d = 0

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + 1 + -2d = 0 + 1

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

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

Divide each side by '-2'.
d = -0.5

Simplifying
d = -0.5

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