7f-18=45

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Solution for 7f-18=45 equation: 


Simplifying
7f + -18 = 45

Reorder the terms:
-18 + 7f = 45

Solving
-18 + 7f = 45

Solving for variable 'f'.

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

Add '18' to each side of the equation.
-18 + 18 + 7f = 45 + 18

Combine like terms: -18 + 18 = 0
0 + 7f = 45 + 18
7f = 45 + 18

Combine like terms: 45 + 18 = 63
7f = 63

Divide each side by '7'.
f = 9

Simplifying
f = 9

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