9d+5=7d+15

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Solution for 9d+5=7d+15 equation:


Simplifying
9d + 5 = 7d + 15

Reorder the terms:
5 + 9d = 7d + 15

Reorder the terms:
5 + 9d = 15 + 7d

Solving
5 + 9d = 15 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
5 + 9d + -7d = 15 + 7d + -7d

Combine like terms: 9d + -7d = 2d
5 + 2d = 15 + 7d + -7d

Combine like terms: 7d + -7d = 0
5 + 2d = 15 + 0
5 + 2d = 15

Add '-5' to each side of the equation.
5 + -5 + 2d = 15 + -5

Combine like terms: 5 + -5 = 0
0 + 2d = 15 + -5
2d = 15 + -5

Combine like terms: 15 + -5 = 10
2d = 10

Divide each side by '2'.
d = 5

Simplifying
d = 5

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