45=3f+15

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Solution for 45=3f+15 equation:


Simplifying
45 = 3f + 15

Reorder the terms:
45 = 15 + 3f

Solving
45 = 15 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
45 + -3f = 15 + 3f + -3f

Combine like terms: 3f + -3f = 0
45 + -3f = 15 + 0
45 + -3f = 15

Add '-45' to each side of the equation.
45 + -45 + -3f = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -3f = 15 + -45
-3f = 15 + -45

Combine like terms: 15 + -45 = -30
-3f = -30

Divide each side by '-3'.
f = 10

Simplifying
f = 10

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