2+(-9)=f-4

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Solution for 2+(-9)=f-4 equation: 


Simplifying
2 + (-9) = f + -4
2 + -9 = f + -4

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

Reorder the terms:
-7 = -4 + f

Solving
-7 = -4 + 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.
-7 + -1f = -4 + f + -1f

Combine like terms: f + -1f = 0
-7 + -1f = -4 + 0
-7 + -1f = -4

Add '7' to each side of the equation.
-7 + 7 + -1f = -4 + 7

Combine like terms: -7 + 7 = 0
0 + -1f = -4 + 7
-1f = -4 + 7

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

Divide each side by '-1'.
f = -3

Simplifying
f = -3

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