45=3+-7f

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Solution for 45=3+-7f equation:


Simplifying
45 = 3 + -7f

Solving
45 = 3 + -7f

Solving for variable 'f'.

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

Add '7f' to each side of the equation.
45 + 7f = 3 + -7f + 7f

Combine like terms: -7f + 7f = 0
45 + 7f = 3 + 0
45 + 7f = 3

Add '-45' to each side of the equation.
45 + -45 + 7f = 3 + -45

Combine like terms: 45 + -45 = 0
0 + 7f = 3 + -45
7f = 3 + -45

Combine like terms: 3 + -45 = -42
7f = -42

Divide each side by '7'.
f = -6

Simplifying
f = -6

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