5(f-9)=-80

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Solution for 5(f-9)=-80 equation:


Simplifying
5(f + -9) = -80

Reorder the terms:
5(-9 + f) = -80
(-9 * 5 + f * 5) = -80
(-45 + 5f) = -80

Solving
-45 + 5f = -80

Solving for variable 'f'.

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

Add '45' to each side of the equation.
-45 + 45 + 5f = -80 + 45

Combine like terms: -45 + 45 = 0
0 + 5f = -80 + 45
5f = -80 + 45

Combine like terms: -80 + 45 = -35
5f = -35

Divide each side by '5'.
f = -7

Simplifying
f = -7

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