8d-5=9d-7

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


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

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

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

Solving
-5 + 8d = -7 + 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.
-5 + 8d + -9d = -7 + 9d + -9d

Combine like terms: 8d + -9d = -1d
-5 + -1d = -7 + 9d + -9d

Combine like terms: 9d + -9d = 0
-5 + -1d = -7 + 0
-5 + -1d = -7

Add '5' to each side of the equation.
-5 + 5 + -1d = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -1d = -7 + 5
-1d = -7 + 5

Combine like terms: -7 + 5 = -2
-1d = -2

Divide each side by '-1'.
d = 2

Simplifying
d = 2

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