9d+7=5d-11

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Solution for 9d+7=5d-11 equation:


Simplifying
9d + 7 = 5d + -11

Reorder the terms:
7 + 9d = 5d + -11

Reorder the terms:
7 + 9d = -11 + 5d

Solving
7 + 9d = -11 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
7 + 9d + -5d = -11 + 5d + -5d

Combine like terms: 9d + -5d = 4d
7 + 4d = -11 + 5d + -5d

Combine like terms: 5d + -5d = 0
7 + 4d = -11 + 0
7 + 4d = -11

Add '-7' to each side of the equation.
7 + -7 + 4d = -11 + -7

Combine like terms: 7 + -7 = 0
0 + 4d = -11 + -7
4d = -11 + -7

Combine like terms: -11 + -7 = -18
4d = -18

Divide each side by '4'.
d = -4.5

Simplifying
d = -4.5

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