4(f-9)=-4

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Solution for 4(f-9)=-4 equation: 


Simplifying
4(f + -9) = -4

Reorder the terms:
4(-9 + f) = -4
(-9 * 4 + f * 4) = -4
(-36 + 4f) = -4

Solving
-36 + 4f = -4

Solving for variable 'f'.

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

Add '36' to each side of the equation.
-36 + 36 + 4f = -4 + 36

Combine like terms: -36 + 36 = 0
0 + 4f = -4 + 36
4f = -4 + 36

Combine like terms: -4 + 36 = 32
4f = 32

Divide each side by '4'.
f = 8

Simplifying
f = 8

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