3-f=7

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Solution for 3-f=7 equation: 


Simplifying
3 + -1f = 7

Solving
3 + -1f = 7

Solving for variable 'f'.

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

Add '-3' to each side of the equation.
3 + -3 + -1f = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -1f = 7 + -3
-1f = 7 + -3

Combine like terms: 7 + -3 = 4
-1f = 4

Divide each side by '-1'.
f = -4

Simplifying
f = -4

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