2d+9=8d-6

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Solution for 2d+9=8d-6 equation:


Simplifying
2d + 9 = 8d + -6

Reorder the terms:
9 + 2d = 8d + -6

Reorder the terms:
9 + 2d = -6 + 8d

Solving
9 + 2d = -6 + 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.
9 + 2d + -8d = -6 + 8d + -8d

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

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

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

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

Combine like terms: -6 + -9 = -15
-6d = -15

Divide each side by '-6'.
d = 2.5

Simplifying
d = 2.5

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