9+7d-5-8d=

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Solution for 9+7d-5-8d= equation:


Simplifying
9 + 7d + -5 + -8d = 0

Reorder the terms:
9 + -5 + 7d + -8d = 0

Combine like terms: 9 + -5 = 4
4 + 7d + -8d = 0

Combine like terms: 7d + -8d = -1d
4 + -1d = 0

Solving
4 + -1d = 0

Solving for variable 'd'.

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

Add '-4' to each side of the equation.
4 + -4 + -1d = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1d = 0 + -4
-1d = 0 + -4

Combine like terms: 0 + -4 = -4
-1d = -4

Divide each side by '-1'.
d = 4

Simplifying
d = 4

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