2d+7=9+8d

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Solution for 2d+7=9+8d equation:


Simplifying
2d + 7 = 9 + 8d

Reorder the terms:
7 + 2d = 9 + 8d

Solving
7 + 2d = 9 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
7 + 2d + -8d = 9 + 8d + -8d

Combine like terms: 2d + -8d = -6d
7 + -6d = 9 + 8d + -8d

Combine like terms: 8d + -8d = 0
7 + -6d = 9 + 0
7 + -6d = 9

Add '-7' to each side of the equation.
7 + -7 + -6d = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -6d = 9 + -7
-6d = 9 + -7

Combine like terms: 9 + -7 = 2
-6d = 2

Divide each side by '-6'.
d = -0.3333333333

Simplifying
d = -0.3333333333

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