-9(5f-4)=-31+3f

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Solution for -9(5f-4)=-31+3f equation:


Simplifying
-9(5f + -4) = -31 + 3f

Reorder the terms:
-9(-4 + 5f) = -31 + 3f
(-4 * -9 + 5f * -9) = -31 + 3f
(36 + -45f) = -31 + 3f

Solving
36 + -45f = -31 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
36 + -45f + -3f = -31 + 3f + -3f

Combine like terms: -45f + -3f = -48f
36 + -48f = -31 + 3f + -3f

Combine like terms: 3f + -3f = 0
36 + -48f = -31 + 0
36 + -48f = -31

Add '-36' to each side of the equation.
36 + -36 + -48f = -31 + -36

Combine like terms: 36 + -36 = 0
0 + -48f = -31 + -36
-48f = -31 + -36

Combine like terms: -31 + -36 = -67
-48f = -67

Divide each side by '-48'.
f = 1.395833333

Simplifying
f = 1.395833333

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