4(f-9)=-40

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Solution for 4(f-9)=-40 equation: 


Simplifying
4(f + -9) = -40

Reorder the terms:
4(-9 + f) = -40
(-9 * 4 + f * 4) = -40
(-36 + 4f) = -40

Solving
-36 + 4f = -40

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 = -40 + 36

Combine like terms: -36 + 36 = 0
0 + 4f = -40 + 36
4f = -40 + 36

Combine like terms: -40 + 36 = -4
4f = -4

Divide each side by '4'.
f = -1

Simplifying
f = -1

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