21.50=4f-2.50

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Solution for 21.50=4f-2.50 equation:


Simplifying
21.50 = 4f + -2.50

Reorder the terms:
21.50 = -2.50 + 4f

Solving
21.50 = -2.50 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
21.50 + -4f = -2.50 + 4f + -4f

Combine like terms: 4f + -4f = 0
21.50 + -4f = -2.50 + 0
21.50 + -4f = -2.50

Add '-21.50' to each side of the equation.
21.50 + -21.50 + -4f = -2.50 + -21.50

Combine like terms: 21.50 + -21.50 = 0.00
0.00 + -4f = -2.50 + -21.50
-4f = -2.50 + -21.50

Combine like terms: -2.50 + -21.50 = -24
-4f = -24

Divide each side by '-4'.
f = 6

Simplifying
f = 6

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