-18=8+3(f+9)

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Solution for -18=8+3(f+9) equation:


Simplifying
-18 = 8 + 3(f + 9)

Reorder the terms:
-18 = 8 + 3(9 + f)
-18 = 8 + (9 * 3 + f * 3)
-18 = 8 + (27 + 3f)

Combine like terms: 8 + 27 = 35
-18 = 35 + 3f

Solving
-18 = 35 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
-18 + -3f = 35 + 3f + -3f

Combine like terms: 3f + -3f = 0
-18 + -3f = 35 + 0
-18 + -3f = 35

Add '18' to each side of the equation.
-18 + 18 + -3f = 35 + 18

Combine like terms: -18 + 18 = 0
0 + -3f = 35 + 18
-3f = 35 + 18

Combine like terms: 35 + 18 = 53
-3f = 53

Divide each side by '-3'.
f = -17.66666667

Simplifying
f = -17.66666667

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