2x+7f-9x+21g+5x=

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Solution for 2x+7f-9x+21g+5x= equation:


Simplifying
2x + 7f + -9x + 21g + 5x = 0

Reorder the terms:
7f + 21g + 2x + -9x + 5x = 0

Combine like terms: 2x + -9x = -7x
7f + 21g + -7x + 5x = 0

Combine like terms: -7x + 5x = -2x
7f + 21g + -2x = 0

Solving
7f + 21g + -2x = 0

Solving for variable 'f'.

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

Add '-21g' to each side of the equation.
7f + 21g + -21g + -2x = 0 + -21g

Combine like terms: 21g + -21g = 0
7f + 0 + -2x = 0 + -21g
7f + -2x = 0 + -21g
Remove the zero:
7f + -2x = -21g

Add '2x' to each side of the equation.
7f + -2x + 2x = -21g + 2x

Combine like terms: -2x + 2x = 0
7f + 0 = -21g + 2x
7f = -21g + 2x

Divide each side by '7'.
f = -3g + 0.2857142857x

Simplifying
f = -3g + 0.2857142857x

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