7+2f=9+4

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Solution for 7+2f=9+4 equation: 


Simplifying
7 + 2f = 9 + 4

Combine like terms: 9 + 4 = 13
7 + 2f = 13

Solving
7 + 2f = 13

Solving for variable 'f'.

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

Add '-7' to each side of the equation.
7 + -7 + 2f = 13 + -7

Combine like terms: 7 + -7 = 0
0 + 2f = 13 + -7
2f = 13 + -7

Combine like terms: 13 + -7 = 6
2f = 6

Divide each side by '2'.
f = 3

Simplifying
f = 3

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