9(7f-4)=28

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Solution for 9(7f-4)=28 equation:


Simplifying
9(7f + -4) = 28

Reorder the terms:
9(-4 + 7f) = 28
(-4 * 9 + 7f * 9) = 28
(-36 + 63f) = 28

Solving
-36 + 63f = 28

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 + 63f = 28 + 36

Combine like terms: -36 + 36 = 0
0 + 63f = 28 + 36
63f = 28 + 36

Combine like terms: 28 + 36 = 64
63f = 64

Divide each side by '63'.
f = 1.015873016

Simplifying
f = 1.015873016

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