2f+3=15

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Solution for 2f+3=15 equation: 


Simplifying
2f + 3 = 15

Reorder the terms:
3 + 2f = 15

Solving
3 + 2f = 15

Solving for variable 'f'.

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

Add '-3' to each side of the equation.
3 + -3 + 2f = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 2f = 15 + -3
2f = 15 + -3

Combine like terms: 15 + -3 = 12
2f = 12

Divide each side by '2'.
f = 6

Simplifying
f = 6

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