2f+13+4f-4=45

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Solution for 2f+13+4f-4=45 equation:


Simplifying
2f + 13 + 4f + -4 = 45

Reorder the terms:
13 + -4 + 2f + 4f = 45

Combine like terms: 13 + -4 = 9
9 + 2f + 4f = 45

Combine like terms: 2f + 4f = 6f
9 + 6f = 45

Solving
9 + 6f = 45

Solving for variable 'f'.

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

Add '-9' to each side of the equation.
9 + -9 + 6f = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 6f = 45 + -9
6f = 45 + -9

Combine like terms: 45 + -9 = 36
6f = 36

Divide each side by '6'.
f = 6

Simplifying
f = 6

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