7d-9d+4f=

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Solution for 7d-9d+4f= equation: 


Simplifying
7d + -9d + 4f = 0

Combine like terms: 7d + -9d = -2d
-2d + 4f = 0

Solving
-2d + 4f = 0

Solving for variable 'd'.

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

Add '-4f' to each side of the equation.
-2d + 4f + -4f = 0 + -4f

Combine like terms: 4f + -4f = 0
-2d + 0 = 0 + -4f
-2d = 0 + -4f
Remove the zero:
-2d = -4f

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

Simplifying
d = 2f

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