7d-9=5d+5

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


Simplifying
7d + -9 = 5d + 5

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

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

Solving
-9 + 7d = 5 + 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.
-9 + 7d + -5d = 5 + 5d + -5d

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

Combine like terms: 5d + -5d = 0
-9 + 2d = 5 + 0
-9 + 2d = 5

Add '9' to each side of the equation.
-9 + 9 + 2d = 5 + 9

Combine like terms: -9 + 9 = 0
0 + 2d = 5 + 9
2d = 5 + 9

Combine like terms: 5 + 9 = 14
2d = 14

Divide each side by '2'.
d = 7

Simplifying
d = 7

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