-9d=-7d+8

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


Simplifying
-9d = -7d + 8

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

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

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

Combine like terms: -7d + 7d = 0
-2d = 8 + 0
-2d = 8

Divide each side by '-2'.
d = -4

Simplifying
d = -4

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