2f+3=11f-21

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Solution for 2f+3=11f-21 equation:


Simplifying
2f + 3 = 11f + -21

Reorder the terms:
3 + 2f = 11f + -21

Reorder the terms:
3 + 2f = -21 + 11f

Solving
3 + 2f = -21 + 11f

Solving for variable 'f'.

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

Add '-11f' to each side of the equation.
3 + 2f + -11f = -21 + 11f + -11f

Combine like terms: 2f + -11f = -9f
3 + -9f = -21 + 11f + -11f

Combine like terms: 11f + -11f = 0
3 + -9f = -21 + 0
3 + -9f = -21

Add '-3' to each side of the equation.
3 + -3 + -9f = -21 + -3

Combine like terms: 3 + -3 = 0
0 + -9f = -21 + -3
-9f = -21 + -3

Combine like terms: -21 + -3 = -24
-9f = -24

Divide each side by '-9'.
f = 2.666666667

Simplifying
f = 2.666666667

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