15d+5d+9=-11

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Solution for 15d+5d+9=-11 equation: 


Simplifying
15d + 5d + 9 = -11

Reorder the terms:
9 + 15d + 5d = -11

Combine like terms: 15d + 5d = 20d
9 + 20d = -11

Solving
9 + 20d = -11

Solving for variable 'd'.

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

Add '-9' to each side of the equation.
9 + -9 + 20d = -11 + -9

Combine like terms: 9 + -9 = 0
0 + 20d = -11 + -9
20d = -11 + -9

Combine like terms: -11 + -9 = -20
20d = -20

Divide each side by '20'.
d = -1

Simplifying
d = -1

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