7f-3f=-30

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Solution for 7f-3f=-30 equation: 


Simplifying
7f + -3f = -30

Combine like terms: 7f + -3f = 4f
4f = -30

Solving
4f = -30

Solving for variable 'f'.

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

Divide each side by '4'.
f = -7.5

Simplifying
f = -7.5

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