6d+7=-9+8d

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Solution for 6d+7=-9+8d equation:


Simplifying
6d + 7 = -9 + 8d

Reorder the terms:
7 + 6d = -9 + 8d

Solving
7 + 6d = -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 + 6d + -8d = -9 + 8d + -8d

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

Combine like terms: 8d + -8d = 0
7 + -2d = -9 + 0
7 + -2d = -9

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

Combine like terms: 7 + -7 = 0
0 + -2d = -9 + -7
-2d = -9 + -7

Combine like terms: -9 + -7 = -16
-2d = -16

Divide each side by '-2'.
d = 8

Simplifying
d = 8

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