16=-4+9(f+8)

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Solution for 16=-4+9(f+8) equation: 


Simplifying
16 = -4 + 9(f + 8)

Reorder the terms:
16 = -4 + 9(8 + f)
16 = -4 + (8 * 9 + f * 9)
16 = -4 + (72 + 9f)

Combine like terms: -4 + 72 = 68
16 = 68 + 9f

Solving
16 = 68 + 9f

Solving for variable 'f'.

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

Add '-9f' to each side of the equation.
16 + -9f = 68 + 9f + -9f

Combine like terms: 9f + -9f = 0
16 + -9f = 68 + 0
16 + -9f = 68

Add '-16' to each side of the equation.
16 + -16 + -9f = 68 + -16

Combine like terms: 16 + -16 = 0
0 + -9f = 68 + -16
-9f = 68 + -16

Combine like terms: 68 + -16 = 52
-9f = 52

Divide each side by '-9'.
f = -5.777777778

Simplifying
f = -5.777777778

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