8d-5=7d-9d

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Solution for 8d-5=7d-9d equation:


Simplifying
8d + -5 = 7d + -9d

Reorder the terms:
-5 + 8d = 7d + -9d

Combine like terms: 7d + -9d = -2d
-5 + 8d = -2d

Solving
-5 + 8d = -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
-5 + 8d + 2d = -2d + 2d

Combine like terms: 8d + 2d = 10d
-5 + 10d = -2d + 2d

Combine like terms: -2d + 2d = 0
-5 + 10d = 0

Add '5' to each side of the equation.
-5 + 5 + 10d = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 10d = 0 + 5
10d = 0 + 5

Combine like terms: 0 + 5 = 5
10d = 5

Divide each side by '10'.
d = 0.5

Simplifying
d = 0.5

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