11d+9=9d+15

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


Simplifying
11d + 9 = 9d + 15

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

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

Solving
9 + 11d = 15 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
9 + 11d + -9d = 15 + 9d + -9d

Combine like terms: 11d + -9d = 2d
9 + 2d = 15 + 9d + -9d

Combine like terms: 9d + -9d = 0
9 + 2d = 15 + 0
9 + 2d = 15

Add '-9' to each side of the equation.
9 + -9 + 2d = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2d = 15 + -9
2d = 15 + -9

Combine like terms: 15 + -9 = 6
2d = 6

Divide each side by '2'.
d = 3

Simplifying
d = 3

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