18+3(9f-13)=

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Solution for 18+3(9f-13)= equation:


Simplifying
18 + 3(9f + -13) = 0

Reorder the terms:
18 + 3(-13 + 9f) = 0
18 + (-13 * 3 + 9f * 3) = 0
18 + (-39 + 27f) = 0

Combine like terms: 18 + -39 = -21
-21 + 27f = 0

Solving
-21 + 27f = 0

Solving for variable 'f'.

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

Add '21' to each side of the equation.
-21 + 21 + 27f = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 27f = 0 + 21
27f = 0 + 21

Combine like terms: 0 + 21 = 21
27f = 21

Divide each side by '27'.
f = 0.7777777778

Simplifying
f = 0.7777777778

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