1=f+(-7)

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Solution for 1=f+(-7) equation: 


Simplifying
1 = f + (-7)
1 = f + -7

Reorder the terms:
1 = -7 + f

Solving
1 = -7 + f

Solving for variable 'f'.

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

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

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

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

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

Combine like terms: -7 + -1 = -8
-1f = -8

Divide each side by '-1'.
f = 8

Simplifying
f = 8

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