12=-7f-5

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Solution for 12=-7f-5 equation:


Simplifying
12 = -7f + -5

Reorder the terms:
12 = -5 + -7f

Solving
12 = -5 + -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.
12 + 7f = -5 + -7f + 7f

Combine like terms: -7f + 7f = 0
12 + 7f = -5 + 0
12 + 7f = -5

Add '-12' to each side of the equation.
12 + -12 + 7f = -5 + -12

Combine like terms: 12 + -12 = 0
0 + 7f = -5 + -12
7f = -5 + -12

Combine like terms: -5 + -12 = -17
7f = -17

Divide each side by '7'.
f = -2.428571429

Simplifying
f = -2.428571429

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