7x-5x+9d-7d+3f-9f=x

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Solution for 7x-5x+9d-7d+3f-9f=x equation:


Simplifying
7x + -5x + 9d + -7d + 3f + -9f = x

Reorder the terms:
9d + -7d + 3f + -9f + 7x + -5x = x

Combine like terms: 9d + -7d = 2d
2d + 3f + -9f + 7x + -5x = x

Combine like terms: 3f + -9f = -6f
2d + -6f + 7x + -5x = x

Combine like terms: 7x + -5x = 2x
2d + -6f + 2x = x

Solving
2d + -6f + 2x = x

Solving for variable 'd'.

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

Add '6f' to each side of the equation.
2d + -6f + 6f + 2x = 6f + x

Combine like terms: -6f + 6f = 0
2d + 0 + 2x = 6f + x
2d + 2x = 6f + x

Add '-2x' to each side of the equation.
2d + 2x + -2x = 6f + x + -2x

Combine like terms: 2x + -2x = 0
2d + 0 = 6f + x + -2x
2d = 6f + x + -2x

Combine like terms: x + -2x = -1x
2d = 6f + -1x

Divide each side by '2'.
d = 3f + -0.5x

Simplifying
d = 3f + -0.5x

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