4+7f=9f

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Solution for 4+7f=9f equation:


Simplifying
4 + 7f = 9f

Solving
4 + 7f = 9f

Solving for variable 'f'.

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

Add '-9f' to each side of the equation.
4 + 7f + -9f = 9f + -9f

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

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

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

Combine like terms: 4 + -4 = 0
0 + -2f = 0 + -4
-2f = 0 + -4

Combine like terms: 0 + -4 = -4
-2f = -4

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

Simplifying
f = 2

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