3(3f+11)=21

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Solution for 3(3f+11)=21 equation:


Simplifying
3(3f + 11) = 21

Reorder the terms:
3(11 + 3f) = 21
(11 * 3 + 3f * 3) = 21
(33 + 9f) = 21

Solving
33 + 9f = 21

Solving for variable 'f'.

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

Add '-33' to each side of the equation.
33 + -33 + 9f = 21 + -33

Combine like terms: 33 + -33 = 0
0 + 9f = 21 + -33
9f = 21 + -33

Combine like terms: 21 + -33 = -12
9f = -12

Divide each side by '9'.
f = -1.333333333

Simplifying
f = -1.333333333

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