F+(r*3)=-28

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Solution for F+(r*3)=-28 equation: 


Simplifying
F + (r * 3) = -28

Reorder the terms for easier multiplication:
F + (3r) = -28

Solving
F + (3r) = -28

Solving for variable 'F'.

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

Add '(-3r)' to each side of the equation.
F + (3r) + (-3r) = -28 + (-3r)

Combine like terms: (3r) + (-3r) = 0
F + 0 = -28 + (-3r)
F = -28 + (-3r)

Simplifying
F = -28 + (-3r)

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